/* ==========================================================================
   Lider Sohbet — Ana stil dosyası
   Mobile-first, CSS custom properties tabanlı, framework bağımsız.
   ========================================================================== */

:root {
  /* Renk paleti — indigo → camgöbeği (teknoloji/güven hissi, mor sohbet sitesi klişesinden ayrışır) */
  --color-bg: #0a0e1a;
  --color-bg-elevated: #101827;
  --color-surface: #151f33;
  --color-surface-hover: #1c2740;
  --color-border: #24304a;

  --color-primary: #4f46e5;
  --color-primary-hover: #6366f1;
  --color-accent: #06b6d4;

  --color-text: #f1f5f9;
  --color-text-muted: #a3adc2;
  --color-text-faint: #6b7690;

  --color-success: #22c55e;
  --color-danger: #f87171;

  --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
  --gradient-bg: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(79, 70, 229, 0.35), transparent),
                 radial-gradient(ellipse 60% 50% at 90% 10%, rgba(6, 182, 212, 0.18), transparent);

  /* Boşluk skalası (4px taban) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  /* Tipografi */
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;
  --text-2xl: clamp(1.75rem, 4vw, 2.5rem);
  --text-3xl: clamp(2.25rem, 6vw, 3.5rem);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 999px;

  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 0 1px rgba(79, 70, 229, 0.4), 0 0 32px rgba(79, 70, 229, 0.25);

  --transition: 180ms ease-out;
}

/* --------------------------------------------------------------------
   Reset & temel
   -------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image: var(--gradient-bg);
  background-attachment: fixed;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, p { margin: 0; }

ul { margin: 0; padding: 0; list-style: none; }

button, input, select { font-family: inherit; font-size: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------
   Header
   -------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 11, 26, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}

.logo__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  font-size: var(--text-base);
}

.logo__accent { color: var(--color-accent); }

.main-nav__list {
  display: none;
  align-items: center;
  gap: var(--space-6);
}

.main-nav__list a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.main-nav__list a:hover { color: var(--color-text); }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.main-nav__list.is-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  padding: var(--space-4);
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-3);
}

@media (min-width: 768px) {
  .main-nav__list { display: flex; }
  .main-nav__list.is-open { position: static; padding: 0; background: none; border: 0; flex-direction: row; }
  .nav-toggle { display: none; }
}

/* --------------------------------------------------------------------
   Hero + hızlı giriş formu
   -------------------------------------------------------------------- */
.hero {
  padding-block: var(--space-8) var(--space-10);
  text-align: center;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: var(--space-8);
}

/* Bilinçsiz/acele kullanıcı önceliği: mobilde asıl eylem (giriş formu) ekranın
   en üstünde, kaydırma gerektirmeden görünür olmalı. Tanıtım metni altta kalır. */
.hero__form-col {
  display: flex;
  justify-content: center;
  order: -1;
}

.hero__intro { order: 0; }

.hero__form-col .entry-card { margin-top: var(--space-6); }

@media (min-width: 960px) {
  .hero { padding-block: var(--space-16) var(--space-12); }
  .hero__grid { grid-template-columns: 1.1fr 1fr; gap: var(--space-8); }
  .hero__intro { text-align: left; order: 0; }
  .hero__intro h1,
  .hero__intro .hero__subtitle,
  .hero__intro .hero__slogan { margin-inline: 0; }
  .hero__badges { justify-content: flex-start; }
  .hero__form-col { justify-content: center; order: 0; }
  .hero__form-col .entry-card { margin-top: 0; }
}

.hero__slogan {
  margin: var(--space-3) auto 0;
  max-width: 56ch;
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  line-height: 1.7;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.hero__badges li {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
}

.hero__badges li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.hero__eyebrow .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero h1 {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  max-width: 20ch;
  margin-inline: auto;
}

.hero h1 span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__subtitle {
  margin: var(--space-4) auto 0;
  max-width: 60ch;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}

/* Giriş kartı */
.entry-card {
  margin: var(--space-8) auto 0;
  max-width: 480px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  text-align: left;
  overflow: hidden;
}

.entry-card__title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.field {
  margin-bottom: var(--space-4);
}

.field label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.field input,
.field select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  min-height: 48px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.field input::placeholder { color: var(--color-text-faint); }

.field input:focus,
.field select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.25);
  outline: none;
}

.field-hint {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.field-error {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-danger);
  display: none;
}

.field.has-error input { border-color: var(--color-danger); }
.field.has-error .field-error { display: block; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  min-height: 52px;
  padding-inline: var(--space-6);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: var(--text-base);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.btn-primary {
  color: #fff;
  background: var(--gradient-primary);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover { filter: brightness(1.08); }
.btn-primary:active { transform: scale(0.98); }

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  filter: none;
  transform: none;
}

.btn[data-loading="true"] .btn__label { visibility: hidden; }

.btn__spinner {
  display: none;
  position: absolute;
  width: 20px; height: 20px;
  border: 2.5px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

.btn[data-loading="true"] .btn__spinner { display: inline-block; }

@keyframes spin { to { transform: rotate(360deg); } }

/* --------------------------------------------------------------------
   Özellikler
   -------------------------------------------------------------------- */
.features {
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-border);
}

.features__grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .features__grid { grid-template-columns: repeat(4, 1fr); }
  .features__grid--split { grid-template-columns: repeat(2, 1fr); }
}

.features__grid--cities {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-bottom: var(--space-12);
}

.section-heading--tight { margin-bottom: var(--space-6); }

.feature-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.feature-card--link {
  display: block;
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}

.feature-card--link:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-hover);
  transform: translateY(-2px);
}

.feature-card__icon { font-size: var(--text-xl); margin-bottom: var(--space-3); }
.feature-card__title { font-weight: 700; margin-bottom: var(--space-1); }
.feature-card__desc { color: var(--color-text-muted); font-size: var(--text-sm); }

/* --------------------------------------------------------------------
   Bölüm başlığı (ör. Kurallar)
   -------------------------------------------------------------------- */
.section-heading { text-align: center; margin-bottom: var(--space-8); }
.section-heading h2 {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.section-heading p {
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

/* --------------------------------------------------------------------
   Kurallar
   -------------------------------------------------------------------- */
.rules {
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-border);
}

.rules__list {
  display: grid;
  gap: var(--space-3);
  max-width: 720px;
  margin-inline: auto;
}

.rules__list li {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.rules__list li strong { color: var(--color-text); }

.rules__list .num {
  flex-shrink: 0;
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
}

/* --------------------------------------------------------------------
   İçerik sayfaları (Kurallar, Hakkımızda, SSS, Gizlilik, vb.)
   -------------------------------------------------------------------- */
.breadcrumb {
  padding-block: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
}

.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-text); }
.breadcrumb .sep { margin-inline: var(--space-2); }

.page-header {
  padding-block: var(--space-8) var(--space-12);
  text-align: center;
}

.page-header h1 {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-header p {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-inline: auto;
}

.page-content {
  padding-bottom: var(--space-16);
}

.prose {
  max-width: 780px;
  margin-inline: auto;
  color: var(--color-text-muted);
}

.prose h2 {
  color: var(--color-text);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.prose h2:first-child { margin-top: 0; }

.prose p { margin-bottom: var(--space-4); }

.prose ul {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
  list-style: disc;
}

.prose li { margin-bottom: var(--space-2); }

.prose a { color: var(--color-primary-hover); text-decoration: underline; text-underline-offset: 2px; }
.prose a:hover { color: var(--color-accent); }

.prose strong { color: var(--color-text); }

.faq-list {
  max-width: 720px;
  margin-inline: auto;
  display: grid;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

/* Bu kutuda 'padding' özelliği tarayıcıda güvenilir şekilde uygulanmadığı için
   iç boşluk margin ile sağlanıyor. */
#faq-list .faq-item summary {
  margin-top: var(--space-4) !important;
  margin-right: var(--space-5) !important;
  margin-bottom: var(--space-4) !important;
  margin-left: var(--space-5) !important;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-text-faint);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-item[open] summary::after { transform: rotate(45deg); }

.faq-item p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

#faq-list .faq-item p {
  margin-top: 0 !important;
  margin-right: var(--space-5) !important;
  margin-bottom: var(--space-4) !important;
  margin-left: var(--space-5) !important;
}

.contact-card {
  max-width: 480px;
  margin-inline: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}

.contact-card__icon { font-size: var(--text-2xl); margin-bottom: var(--space-3); }

.contact-card__email {
  display: inline-block;
  margin-top: var(--space-4);
  font-weight: 700;
  color: var(--color-primary-hover);
}

/* --------------------------------------------------------------------
   Hub sayfaları (Şehir/kategori sohbet iniş sayfaları)
   -------------------------------------------------------------------- */
.mini-entry {
  max-width: 720px;
  width: 100%;
  margin: var(--space-8) auto 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: left;
}

/* Bu kutuda 'padding' özelliği tarayıcıda güvenilir şekilde uygulanmadığı için
   iç boşluk, doğrudan çocuk elemanların margin'i ile sağlanıyor. */
#entry-form.mini-entry > * {
  margin-left: var(--space-4) !important;
  margin-right: var(--space-4) !important;
}
#entry-form.mini-entry > *:first-child { margin-top: var(--space-4) !important; }
#entry-form.mini-entry > *:last-child { margin-bottom: var(--space-4) !important; }

.mini-entry .field { margin-bottom: 0; min-width: 0; }

/* Mobilde ana sayfadaki gibi alt alta dizilir; 640px üzerinde tek satıra geçer. */
.field-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.mini-entry .field-row .btn {
  width: 100%;
  white-space: nowrap;
}

@media (min-width: 480px) {
  #entry-form.mini-entry > * {
    margin-left: var(--space-5) !important;
    margin-right: var(--space-5) !important;
  }
  #entry-form.mini-entry > *:first-child { margin-top: var(--space-5) !important; }
  #entry-form.mini-entry > *:last-child { margin-bottom: var(--space-5) !important; }
}

@media (min-width: 640px) {
  .field-row {
    grid-template-columns: 1fr 1fr auto;
    align-items: end;
    gap: var(--space-3);
  }
  .mini-entry .field-row .btn {
    width: auto;
    padding-inline: var(--space-8);
  }
}

.anchor-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  max-width: 720px;
  margin: 0 auto var(--space-12);
}

.anchor-chips a {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition), border-color var(--transition);
}

.anchor-chips a:hover { color: var(--color-text); border-color: var(--color-primary); }

.hub-article {
  max-width: 720px;
  margin-inline: auto;
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-border);
  scroll-margin-top: var(--space-8);
}

.hub-article:first-of-type { border-top: none; padding-top: 0; }

.hub-article h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
}

.hub-article p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.hub-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  font-weight: 700;
  color: var(--color-primary-hover);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.hub-cta:hover { color: var(--color-accent); }

/* --------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------- */
.site-footer {
  padding-block: var(--space-12) var(--space-6);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-faint);
  font-size: var(--text-sm);
}

.site-footer__grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
  text-align: center;
  padding-bottom: var(--space-8);
}

@media (min-width: 640px) {
  .site-footer__grid { grid-template-columns: repeat(3, 1fr); text-align: left; }
}

.site-footer__col ul { display: grid; gap: var(--space-2); }

.site-footer__col-title {
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.site-footer__col a { transition: color var(--transition); }
.site-footer__col a:hover { color: var(--color-text); }

.site-footer__bottom {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: var(--text-xs);
}

/* --------------------------------------------------------------------
   sohbet.php — tam ekran sohbet görünümü
   -------------------------------------------------------------------- */
html.chat-page, .chat-page body { height: 100%; }

.chat-frame-wrap {
  position: fixed;
  inset: 0;
}

.chat-frame-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}