/* ==========================================================================
   KARE MENÜ — TEMEL TASARIM SİSTEMİ
   ========================================================================== */

:root {
  /* Renkler */
  --ink: #16150F;
  --ink-soft: rgba(22, 21, 15, 0.6);
  --paper: #FAF8F3;
  --paper-soft: rgba(250, 248, 243, 0.85);
  --accent: #C1440E;
  --accent-dark: #9B3608;
  --muted: #6B6659;
  --line: #E7E3D8;

  /* Tipografi */
  --font: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;

  /* Layout */
  --maxw: 1320px;
  --pad: clamp(20px, 4vw, 48px);
  --header-h: 65px;

  /* Hareket */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.brand {
  display: flex;
  align-items: center;
}

.brand-logo {
  height: 34px;
  width: auto;
}

.brand-logo--footer {
  height: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
  white-space: nowrap;
}

.btn:active { transform: scale(0.98); }

/* ==========================================================================
   HEADER — sadece logo + nav + burger, CTA yok
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  transition: background 0.5s var(--ease), backdrop-filter 0.5s var(--ease),
    transform 0.5s var(--ease), opacity 0.5s var(--ease);
}

.site-header .nav a {
  color: var(--paper);
}

.site-header.is-glass {
  background: var(--ink-soft);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
}

.site-header.is-hidden {
  transform: translateY(-100%);
  opacity: 0;
}

.header-inner {
  max-width: var(--maxw);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--pad);
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.nav a {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  position: relative;
  display: block;
  padding-bottom: 2px;
}

.nav a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 30%;
  width: 0;
  border-bottom: 1px solid var(--accent);
  transform: scaleX(0);
}

.nav a:hover::before {
  width: 40%;
  animation: nav-underline-pulse 1.7s infinite ease-in;
}

.nav a:hover {
  animation: nav-link-pulse 1.7s infinite ease-in;
}

@keyframes nav-link-pulse {
  0% { transform: scale(1); }
  10% { transform: scale(1.08); }
  20% { transform: scale(1); }
  30% { transform: scale(1.08); }
  40% { transform: scale(1); }
}

@keyframes nav-underline-pulse {
  0% { transform: scaleX(0); }
  10% { transform: scaleX(1); }
  20% { transform: scaleX(0); }
  30% { transform: scaleX(1); }
  40% { transform: scaleX(0); }
}

.nav-login {
  opacity: 0.75 !important;
  border-left: 1px solid rgba(250, 248, 243, 0.25);
  padding-left: 20px;
}

/* Burger — sadece mobilde görünür. Menü kapalıyken beyaz ikon (koyu hero/
   header üzerinde), menü açıkken siyah ikon (beyaz drawer'ın üzerinde,
   çünkü buton z-index ile drawer'ın üstünde sabit kalıyor). */
.burger {
  display: none;
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  z-index: 210;
  position: relative;
}

.burger-icon {
  position: absolute;
  width: 25px;
  height: 20px;
  transition: opacity 0.25s var(--ease);
}

.burger-icon--black { opacity: 0; }

.burger.is-open .burger-icon--white { opacity: 0; }
.burger.is-open .burger-icon--black { opacity: 1; }

/* Sağdan kayan mobil menü */
.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 140;
  background: rgba(22, 21, 15, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease);
}

.drawer-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 80%;
  max-width: 320px;
  height: 100%;
  background: var(--paper);
  z-index: 150;
  display: flex;
  flex-direction: column;
  padding: 76px 28px 32px;
  transform: translateX(100%);
  transition: transform 0.35s var(--ease);
}

.mobile-drawer.is-open { transform: translateX(0); }

.mobile-drawer nav {
  display: flex;
  flex-direction: column;
}

.mobile-drawer nav a {
  padding: 12px 2px;
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--ink);
  position: relative;
  width: fit-content;
}

.mobile-drawer nav a::before {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 0;
  width: 0;
  border-bottom: 1px solid var(--accent);
  transform: scaleX(0);
}

.mobile-drawer nav a:hover::before,
.mobile-drawer nav a:active::before {
  width: 100%;
  animation: nav-underline-pulse 1.7s infinite ease-in;
}

.mobile-drawer nav a:hover,
.mobile-drawer nav a:active {
  animation: nav-link-pulse 1.7s infinite ease-in;
}

.mobile-drawer nav a:last-child {
  margin-top: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

/* ==========================================================================
   HERO
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform-origin: center;
  will-change: transform;
  /* Fotoğraf gelene kadar nötr bir zemin */
  background: linear-gradient(160deg, #2b281f, #16150f);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    rgba(22, 21, 15, 0.82) 0%,
    rgba(22, 21, 15, 0.55) 45%,
    rgba(22, 21, 15, 0.25) 75%
  );
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  width: 100%;
  margin: 0 auto;
  padding: calc(var(--header-h) + 40px) var(--pad) 60px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
}

.hero-copy { color: var(--paper); max-width: 560px; }

.hero-title {
  font-size: clamp(38px, 5vw, 60px);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
}

.hero-desc {
  font-size: 18px;
  line-height: 1.6;
  color: var(--paper-soft);
  margin: 0 0 32px;
  max-width: 46ch;
}

.btn-hero {
  background: var(--accent);
  color: var(--paper);
}

.btn-hero:hover { background: var(--accent-dark); }

.hero-mockup {
  display: flex;
  justify-content: center;
  animation: mockup-in 0.9s var(--ease) 0.2s both;
}

@keyframes mockup-in {
  from { opacity: 0; transform: translateY(24px) rotate(0deg); }
  to { opacity: 1; transform: translateY(0) rotate(-3deg); }
}

.phone-mock {
  position: relative;
  width: min(280px, 70vw);
  aspect-ratio: 385 / 750;
}

.phone-mock-screen {
  position: absolute;
  left: 7.013%;
  top: 3.333%;
  width: 85.714%;
  height: 93.467%;
  border-radius: 22px;
  overflow: hidden;
  background: var(--paper);
}

.phone-mock-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.phone-screen-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Önizleme dolgu alanı (gerçek sitede kaldırılacak) */
.scroll-filler {
  min-height: 140vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  border-bottom: 1px solid var(--line);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background: var(--ink);
  color: var(--paper-soft);
}

.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 64px var(--pad) 40px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 40px;
}

.footer-tagline {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--paper-soft);
  max-width: 260px;
}

.footer-links,
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
}

.footer-links a:hover,
.footer-contact a:hover { color: var(--paper); }

.footer-bottom {
  border-top: 1px solid rgba(250, 248, 243, 0.12);
}

.footer-legal,
.footer-bottom {
  max-width: var(--maxw);
  margin: 0 auto;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px var(--pad) 28px;
  font-size: 13px;
  color: var(--muted);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding: 0;
}

.footer-legal a:hover { color: var(--paper); }

.footer-copy { margin: 0; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 900px) {
  .nav.is-desktop { display: none; }
  .burger { display: flex; }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: left;
    padding-top: calc(var(--header-h) + 24px);
  }

  .hero-mockup { order: -1; margin-bottom: 12px; }
  .phone-mock { width: 190px; }

  .footer-inner { flex-direction: column; gap: 32px; }
}

/* Masaüstü genişliğinde mobil menü her koşulda kapalı kalmalı — tablet
   yatay/dikey döndüğünde "is-open" class'ı JS tarafından sıfırlanmasa
   bile burada zorla gizleniyor. */
@media (min-width: 901px) {
  .drawer-overlay,
  .mobile-drawer {
    display: none !important;
  }
}