/* ===================================================================
   HS GROUP — Design Tokens
   Konsept: "Sabah Işığı" — açık, ferah, kurumsal seyahat markası.
   Akdeniz klişesi (turkuaz+beyaz) yerine sıcak kireç + derin petrol mavisi
   + ince bronz vurgu. Sade, bol boşluklu, güven veren.
=================================================================== */

:root {
  /* --- Renk Paleti --- */
  --color-bg:           #FBF9F4;   /* sıcak kireç beyazı - ana zemin */
  --color-surface:      #FFFFFF;   /* kart/panel zemini */
  --color-surface-alt:  #F2EEE4;   /* ikincil zemin, bölüm ayrımı */
  --color-ink:          #1C2B33;   /* ana metin - yumuşak petrol-siyah */
  --color-ink-soft:     #5B6B72;   /* ikincil metin */
  --color-primary:      #0E3B4D;   /* derin petrol mavisi - marka rengi */
  --color-primary-light:#15536B;
  --color-accent:       #B8915A;   /* bronz/kum altını - vurgu */
  --color-accent-soft:  #E8DCC6;
  --color-line:         #E3DCCC;  /* ince ayraç rengi */
  --color-line-fix:     #E3DCCC;
  --color-success:      #2F7D5C;
  --color-danger:       #B3463F;
  --color-whatsapp:     #25D366;
  --color-telegram:     #229ED9;
  --color-wechat:       #2DC100;
  --color-mail:         #0E3B4D;

  /* --- Tipografi --- */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.875rem;
  --fs-2xl: 2.5rem;
  --fs-3xl: 3.25rem;

  /* --- Boşluk Sistemi --- */
  --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;

  /* --- Diğer --- */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(28, 43, 51, 0.06);
  --shadow-md: 0 8px 24px rgba(28, 43, 51, 0.08);
  --shadow-lg: 0 16px 48px rgba(28, 43, 51, 0.14);
  --max-width: 1180px;
  --header-height: 76px;
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}
body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 var(--sp-3) 0;
  color: var(--color-primary);
}
p { margin: 0 0 var(--sp-3) 0; }
a { color: var(--color-primary); text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: var(--font-body); cursor: pointer; }
input, select, textarea {
  font-family: var(--font-body);
  font-size: var(--fs-base);
}

/* RTL desteği (Arapça) */
html[dir="rtl"] body { direction: rtl; text-align: right; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-5);
}

/* --- Genel Buton Stilleri --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 13px 28px;
  border-radius: var(--radius-pill);
  border: none;
  font-size: var(--fs-base);
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-primary-light); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-primary:disabled { background: #B9C3C7; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-accent {
  background: var(--color-accent);
  color: #fff;
}
.btn-accent:hover { background: #A37D49; }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 18px; font-size: var(--fs-sm); }

/* --- Form Elemanları --- */
.field {
  margin-bottom: var(--sp-4);
}
.field label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--sp-2);
}
.field label .optional-tag {
  font-weight: 400;
  color: var(--color-ink-soft);
  font-size: var(--fs-xs);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-line-fix);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  transition: border-color var(--transition);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.field textarea { resize: vertical; min-height: 90px; }

/* --- Kart --- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card img { width: 100%; height: 200px; object-fit: cover; }
.card-body { padding: var(--sp-5); }
.card-title { font-size: var(--fs-md); margin-bottom: var(--sp-2); }
.card-desc { color: var(--color-ink-soft); font-size: var(--fs-sm); }

/* --- Erişilebilirlik: focus görünürlüğü --- */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* --- Hareket azaltma tercihi --- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* --- Yardımcı sınıflar --- */
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }