/* ============================================
   BEYHAN PİDE — Marka Tasarım Sistemi
   Palet: deep crimson / warm gold / cream / walnut
   ============================================ */

:root {
  /* Kurumsal renkler — logodan alındı (Logo.svg) */
  --purple: #393185;        /* BeyhaN yazı moru */
  --purple-dark: #282260;
  --orange: #EF7F1A;        /* logo konturu ve "pide - lahmacun" turuncusu */
  --orange-light: #F8BD6C;
  --cream: #FDF6E8;         /* logo krem tonlarından (#FFEBB2 ailesi) */
  --cream-dark: #F3E7CD;
  --dark: #221E52;          /* koyu çivit, footer/koyu bölümler */
  --dark-soft: #4A4670;
  --ink: #241F4E;
  --white: #FFFDF8;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", -apple-system, sans-serif;

  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 12px 40px rgba(30, 26, 72, 0.14);
  --shadow-soft: 0 6px 24px rgba(30, 26, 72, 0.08);
  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.menu-open { overflow: hidden; }

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3, .display { font-family: var(--font-display); font-weight: 600; line-height: 1.15; }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 14px;
}

.section { padding: 96px 0; }
.section-title { font-size: clamp(1.9rem, 4vw, 2.9rem); margin-bottom: 18px; color: var(--dark); }
.section-lead { max-width: 640px; font-size: 1.08rem; color: var(--dark-soft); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn:hover { transform: translateY(-3px); }
.btn-primary { background: var(--purple); color: var(--white); box-shadow: 0 8px 24px rgba(57, 49, 133, 0.35); }
.btn-primary:hover { background: var(--purple-dark); box-shadow: 0 14px 34px rgba(57, 49, 133, 0.45); }
.btn-gold { background: var(--orange); color: var(--dark); box-shadow: 0 8px 24px rgba(239, 127, 26, 0.35); }
.btn-gold:hover { background: var(--orange-light); }
.btn-outline { border-color: rgba(250, 244, 234, 0.5); color: var(--cream); background: transparent; }
.btn-outline:hover { background: rgba(250, 244, 234, 0.12); }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: padding 0.3s ease;
}
/* Arka plan blur'u ::before üzerinde tutulur.
   backdrop-filter doğrudan .nav'a verilirse, position:fixed olan
   mobil menü (.nav-links) viewport yerine nav kutusuna hapsolur. */
.nav::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: transparent;
  box-shadow: none;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.nav.scrolled { padding: 12px 0; }
.nav.scrolled::before {
  background: rgba(253, 246, 232, 0.94);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(30, 26, 72, 0.1);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cream);
  text-decoration: none;
  transition: color 0.3s ease;
}
.nav-logo small { display: block; font-family: var(--font-body); font-size: 0.62rem; letter-spacing: 0.28em; text-transform: uppercase; opacity: 0.75; }
.nav.scrolled .nav-logo { color: var(--purple); }
.nav-links { display: flex; gap: 30px; list-style: none; align-items: center; }
.nav-links a { text-decoration: none; color: var(--cream); font-weight: 600; font-size: 0.92rem; transition: color 0.25s; }
.nav.scrolled .nav-links a { color: var(--dark); }
.nav-links a:hover { color: var(--orange); }
.nav-call {
  background: var(--orange);
  color: #FFFFFF !important;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 800 !important;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nav-toggle { display: none; background: none; border: none; cursor: pointer; z-index: 1100; }
.nav-toggle span { display: block; width: 26px; height: 3px; background: var(--cream); margin: 5px 0; border-radius: 2px; transition: 0.3s; }
.nav.scrolled .nav-toggle span { background: var(--purple); }

/* ---------- Reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }

/* ---------- Image slots (AI Flow görselleri buraya) ---------- */
.img-slot {
  background: linear-gradient(135deg, var(--dark) 0%, var(--purple-dark) 60%, var(--orange) 160%);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(250, 244, 234, 0.55);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  padding: 20px;
  overflow: hidden;
  position: relative;
}
.img-slot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 80%, rgba(239, 127, 26, 0.25), transparent 60%);
}

/* ---------- Blog article page ---------- */
.article-hero {
  background: linear-gradient(160deg, var(--dark) 0%, var(--purple-dark) 100%);
  padding: 170px 0 80px;
  color: var(--cream);
}
.article-hero h1 { font-size: clamp(1.8rem, 4vw, 2.7rem); max-width: 820px; }
.article-meta { margin-top: 18px; font-size: 0.88rem; opacity: 0.8; }
.article-body { max-width: 760px; margin: 0 auto; padding: 70px 24px 90px; }
.article-body h2 { font-size: 1.65rem; margin: 44px 0 16px; color: var(--purple); }
.article-body h3 { font-size: 1.25rem; margin: 32px 0 12px; color: var(--dark); }
.article-body p { margin-bottom: 18px; font-size: 1.04rem; }
.article-body ul, .article-body ol { margin: 0 0 18px 24px; }
.article-body li { margin-bottom: 8px; }
.article-body blockquote {
  border-left: 4px solid var(--orange);
  padding: 14px 22px;
  margin: 26px 0;
  background: var(--cream-dark);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--dark-soft);
}
.article-cta {
  margin-top: 50px;
  background: var(--dark);
  color: var(--cream);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
}
.article-cta h3 { color: var(--orange); margin-bottom: 10px; }
.article-cta p { margin-bottom: 22px; opacity: 0.85; }
.back-link { display: inline-block; margin-bottom: 20px; color: var(--orange); text-decoration: none; font-weight: 700; font-size: 0.9rem; }

/* ---------- Footer ---------- */
.footer { background: var(--dark); color: var(--cream); padding: 70px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 44px; margin-bottom: 50px; }
.footer h4 { font-family: var(--font-display); color: var(--orange); margin-bottom: 16px; font-size: 1.05rem; }
.footer a { color: rgba(250, 244, 234, 0.8); text-decoration: none; transition: color 0.25s; }
.footer a:hover { color: var(--orange); }
.footer li { list-style: none; margin-bottom: 10px; font-size: 0.94rem; }
.footer-brand p { opacity: 0.72; font-size: 0.92rem; max-width: 300px; margin-top: 12px; }
.footer-bottom { border-top: 1px solid rgba(250, 244, 234, 0.14); padding-top: 26px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; opacity: 0.65; }

/* ---------- Mobil menü overlay (body'nin doğrudan çocuğu) ---------- */
.mobile-menu {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  z-index: 999; /* nav (1000) altında: logo ve X butonu görünür kalır */
  background: var(--dark);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  padding: 90px 24px 40px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.mobile-menu a {
  color: var(--cream);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.3rem;
}
.mobile-menu a:hover { color: var(--orange); }
.mobile-menu .nav-call { font-size: 1.05rem; }
@media (max-width: 900px) {
  .mobile-menu { display: flex; }
  .mobile-menu.open { transform: translateX(0); }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: block; }
  /* Masaüstü linkleri mobilde tamamen gizle; menü ayrı overlay'den gelir */
  .nav-links { display: none; }
  /* Menü açıkken hamburger → X, koyu zeminde krem renk */
  .nav-toggle.open span { background: var(--cream) !important; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  /* Menü açıkken nav çubuğu zemini şeffaflaşır, overlay ile bütünleşir */
  body.menu-open .nav::before { background: transparent; box-shadow: none; backdrop-filter: none; }
}
@media (max-width: 560px) {
  .section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; }
}