/* ============================================================
   AIR — ortak stil dosyası
   Tüm sayfalarda kullanılan çekirdek bileşenler.
   ============================================================ */

:root {
  --bg: #fbf3e3;          /* bal kremi zemin */
  --panel: #fffaf0;        /* kartlar — fildişi */
  --line: #ecdaba;         /* kum çizgi */
  --fg: #4a3115;           /* kavrulmuş karamel — siyah yok */
  --muted: #8a6c44;        /* tarçın — ikincil metin */
  --soft: #634625;         /* gövde metni — sıcak kahve */
  --accent: #e0491f;       /* akkor turuncu-kırmızı */
  --accent-dark: #b23414;
  --amber: #e79a2e;        /* bal vurgusu */
  --display: 'Syne', sans-serif;
  --body: 'Space Grotesk', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }
html, body { background: var(--bg); color: var(--fg); overflow-x: hidden; }

body {
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

::selection { background: var(--accent); color: #fff; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #f3e5cb; }
::-webkit-scrollbar-thumb { background: #d6ba8c; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

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

a { color: inherit; }

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

/* ---------------- NAV ---------------- */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 40px;
  display: flex; justify-content: space-between; align-items: center;
  transition: background .35s ease, padding .35s ease, border-color .35s ease;
  border-bottom: 1px solid transparent;
}
.site-nav.scrolled {
  background: rgba(251,243,227,.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 14px 40px;
  border-bottom-color: var(--line);
}
.site-nav .logo {
  font-family: var(--display);
  font-weight: 800;
  font-size: 28px;
  letter-spacing: .04em;
  color: var(--fg);
  text-decoration: none;
  line-height: 1;
  z-index: 102;
}
.site-nav .logo::after {
  content: '';
  display: inline-block;
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  margin-left: 4px;
  vertical-align: top;
  margin-top: 4px;
}
.nav-links {
  display: flex; align-items: center; gap: 34px;
  list-style: none;
}
.nav-links a {
  font-size: 11px;
  letter-spacing: .28em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--soft);
  padding: 6px 0;
  position: relative;
  transition: color .25s ease;
}
.nav-links a::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .3s cubic-bezier(.2,.7,.2,1);
}
.nav-links a:hover { color: var(--fg); }
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-links a.active { color: var(--fg); }
.nav-links a.active::after { transform: scaleX(1); }
.nav-links .nav-buy {
  background: var(--accent);
  color: #fff;
  padding: 12px 26px;
  font-weight: 800;
}
.nav-links .nav-buy::after { display: none; }
.nav-links .nav-buy:hover { background: var(--accent-dark); }

/* Hamburger */
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 44px; height: 44px;
  position: relative;
  z-index: 102;
}
.nav-toggle span {
  position: absolute; left: 10px; right: 10px;
  height: 2px; background: var(--fg);
  transition: transform .35s cubic-bezier(.2,.7,.2,1), opacity .25s ease;
}
.nav-toggle span:nth-child(1){ top: 15px; }
.nav-toggle span:nth-child(2){ top: 21px; }
.nav-toggle span:nth-child(3){ top: 27px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .site-nav { padding: 16px 20px; }
  .site-nav.scrolled { padding: 12px 20px; }
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; inset: 0;
    background: var(--bg);
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    transform: translateY(-100%);
    visibility: hidden;
    transition: transform .5s cubic-bezier(.75,0,.2,1), visibility 0s .5s;
    z-index: 101;
  }
  .nav-links.open {
    transform: translateY(0);
    visibility: visible;
    transition: transform .5s cubic-bezier(.75,0,.2,1), visibility 0s 0s;
  }
  .nav-links a {
    font-family: var(--display);
    font-weight: 800;
    font-size: clamp(26px, 7.5vw, 40px);
    letter-spacing: 0;
    color: var(--fg);
    padding: 10px 0;
  }
  .nav-links a::after { height: 3px; bottom: 6px; }
  .nav-links .nav-buy {
    margin-top: 22px;
    font-size: 15px;
    letter-spacing: .35em;
    padding: 18px 44px;
  }
  body.menu-open { overflow: hidden; }
}

/* ---------------- SAYFA BAŞLIĞI ---------------- */
.page-head {
  padding: 190px 8vw 90px;
  position: relative;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-head .crumb {
  font-size: 10px;
  letter-spacing: .4em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 26px;
}
.page-head .crumb b { color: var(--accent); font-weight: 700; }
.page-head h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(40px, 8.5vw, 112px);
  line-height: .92;
  letter-spacing: -0.015em;
  text-transform: uppercase;
  max-width: 12ch;
}
.page-head h1 .accent { color: var(--accent); }
.page-head .lede {
  margin-top: 30px;
  max-width: 560px;
  color: var(--soft);
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.75;
}
.page-head .ghost {
  position: absolute;
  right: -2vw; bottom: -6vw;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(160px, 30vw, 420px);
  line-height: .8;
  color: transparent;
  -webkit-text-stroke: 1px #ecd7b0;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}
@media (max-width: 700px) {
  .page-head { padding: 150px 6vw 64px; }
  .page-head .ghost { display: none; }
}

/* ---------------- GENEL BÖLÜM ---------------- */
.wrap { padding: 100px 8vw; position: relative; }
@media (max-width: 700px) { .wrap { padding: 72px 6vw; } }

.kicker {
  font-size: 10px;
  letter-spacing: .4em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
  display: flex; align-items: center; gap: 14px;
}
.kicker::before {
  content: '';
  width: 32px; height: 1px;
  background: var(--accent);
}
.section-title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(32px, 5.2vw, 68px);
  line-height: .88;
  letter-spacing: .02em;
  text-transform: uppercase;
  margin-bottom: 26px;
}
.section-title .accent { color: var(--accent); }
.section-sub {
  color: var(--soft);
  max-width: 520px;
  line-height: 1.75;
  font-size: clamp(14px, 1.2vw, 17px);
}

/* ---------------- BUTONLAR ---------------- */
.btn {
  display: inline-block;
  padding: 20px 48px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-family: var(--display);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .38em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform .3s cubic-bezier(.2,.7,.2,1);
  z-index: 1;
}
.btn:hover { transform: translateY(-3px); }
.btn::after {
  content: '';
  position: absolute; inset: 0;
  background: var(--accent-dark);
  transform-origin: bottom;
  transform: scaleY(0);
  transition: transform .35s cubic-bezier(.2,.7,.2,1);
  z-index: -1;
}
.btn:hover::after { transform: scaleY(1); }
.btn.ghosted {
  background: transparent;
  border: 1px solid #ddc397;
  color: var(--fg);
}
.btn.ghosted::after { background: var(--accent); }
.btn.ghosted:hover { color: #fff; border-color: var(--accent); }

/* ---------------- TICKER ---------------- */
.ticker {
  overflow: hidden;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.ticker-track {
  display: flex; gap: 60px;
  white-space: nowrap;
  font-family: var(--display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: .18em;
  text-transform: uppercase;
  animation: marquee 32s linear infinite;
  width: max-content;
}
.ticker-track span.dim { color: var(--accent); }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
}

/* ---------------- REVEAL ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: .1s; }
.reveal.d2 { transition-delay: .2s; }
.reveal.d3 { transition-delay: .3s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------------- KARTLAR ---------------- */
.grid { display: grid; gap: 22px; }
.grid.c2 { grid-template-columns: repeat(2, 1fr); }
.grid.c3 { grid-template-columns: repeat(3, 1fr); }
.grid.c4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1000px) {
  .grid.c4 { grid-template-columns: repeat(2, 1fr); }
  .grid.c3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid.c2, .grid.c3, .grid.c4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 34px 30px;
  position: relative;
  transition: border-color .3s ease, transform .3s ease;
}
.card:hover { border-color: #d0b17f; transform: translateY(-4px); box-shadow: 0 14px 34px rgba(122,80,28,.1); }
.card .card-tag {
  font-size: 10px;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.card h3 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(24px, 2.4vw, 34px);
  text-transform: uppercase;
  letter-spacing: .03em;
  line-height: .95;
  margin-bottom: 14px;
}
.card p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

/* ---------------- İSTATİSTİK ---------------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat-strip .stat {
  padding: 44px 30px;
  border-right: 1px solid var(--line);
  text-align: center;
}
.stat-strip .stat:last-child { border-right: none; }
.stat .num {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(34px, 4.5vw, 60px);
  line-height: 1;
  color: var(--fg);
}
.stat .num em { color: var(--accent); font-style: normal; }
.stat .label {
  margin-top: 12px;
  font-size: 10px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--muted);
}
@media (max-width: 800px) {
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-strip .stat:nth-child(2) { border-right: none; }
  .stat-strip .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

/* ---------------- TABLO ---------------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.spec {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 560px;
}
table.spec th, table.spec td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}
table.spec th {
  font-family: var(--display);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 2px solid #ddc397;
}
table.spec tbody tr { transition: background .2s ease; }
table.spec tbody tr:hover { background: #fff6e3; }
table.spec td:first-child { color: var(--soft); font-weight: 700; }
table.spec td { color: var(--muted); }

/* ---------------- AKORDEON ---------------- */
.acc { border-top: 1px solid var(--line); }
.acc-item { border-bottom: 1px solid var(--line); }
.acc-item button {
  width: 100%;
  background: none; border: none; cursor: pointer;
  color: var(--fg);
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px;
  padding: 28px 6px;
  text-align: left;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(19px, 2.2vw, 27px);
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: color .25s ease;
}
.acc-item button:hover { color: var(--accent); }
.acc-item button .plus {
  flex: 0 0 auto;
  width: 30px; height: 30px;
  position: relative;
}
.acc-item button .plus::before,
.acc-item button .plus::after {
  content: '';
  position: absolute;
  background: var(--accent);
  top: 50%; left: 50%;
  transition: transform .35s cubic-bezier(.2,.7,.2,1);
}
.acc-item button .plus::before { width: 18px; height: 2px; transform: translate(-50%, -50%); }
.acc-item button .plus::after { width: 2px; height: 18px; transform: translate(-50%, -50%); }
.acc-item.open button .plus::after { transform: translate(-50%, -50%) rotate(90deg); }
.acc-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .45s cubic-bezier(.2,.7,.2,1);
}
.acc-body .inner {
  padding: 0 6px 30px;
  color: var(--muted);
  max-width: 680px;
  line-height: 1.8;
  font-size: 15px;
}
.acc-body .inner b { color: var(--soft); }

/* ---------------- CTA BANDI ---------------- */
.cta-band {
  padding: 120px 8vw;
  text-align: center;
  border-top: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: attr(data-ghost);
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(160px, 34vw, 480px);
  color: transparent;
  -webkit-text-stroke: 1px #ecd7b0;
  white-space: nowrap;
  pointer-events: none;
}
.cta-band h2 {
  position: relative;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(36px, 7vw, 96px);
  line-height: .98;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.cta-band h2 .accent { color: var(--accent); }
.cta-band .btn { margin-top: 44px; position: relative; }

/* ---------------- FOOTER ---------------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 80px 8vw 36px;
  position: relative;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 44px;
  margin-bottom: 64px;
}
.footer-grid .f-logo {
  font-family: var(--display);
  font-weight: 800;
  font-size: 46px;
  letter-spacing: .16em;
  line-height: 1;
}
.footer-grid .f-logo::after {
  content: '';
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  margin-left: 5px;
  vertical-align: top;
  margin-top: 5px;
}
.footer-grid .f-desc {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.8;
  max-width: 300px;
}
.footer-grid h4 {
  font-size: 11px;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--soft);
  margin-bottom: 22px;
}
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 13px; }
.footer-grid li a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: color .25s ease, padding-left .25s ease;
}
.footer-grid li a:hover { color: var(--accent); padding-left: 6px; }
.newsletter p {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
  margin-bottom: 18px;
}
.newsletter form { display: flex; border: 1px solid #ddc397; background: #fff; }
.newsletter input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  padding: 15px 16px;
  color: var(--fg);
  font-family: var(--body);
  font-size: 14px;
}
.newsletter input:focus { outline: none; }
.newsletter button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0 22px;
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: .2em;
  font-size: 12px;
  cursor: pointer;
  transition: background .25s ease;
}
.newsletter button:hover { background: var(--accent-dark); }
.newsletter .ok {
  margin-top: 12px;
  font-size: 12px;
  color: #2f8f4e;
  display: none;
}
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 30px;
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
}
@media (max-width: 1000px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ---------------- YARDIMCI ---------------- */
.tag-line {
  display: inline-block;
  border: 1px solid #ddc397;
  padding: 8px 16px;
  font-size: 10px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--soft);
}
.hr-fade {
  height: 1px; border: none;
  background: linear-gradient(to right, transparent, #ddc397, transparent);
}

/* ---------------- MOBİL İNCE AYAR ----------------
   Küçük ekranlarda başlıklar bir kademe iner, boşluklar
   sıkılaşır — içerik nefes alır, taşma olmaz. */
@media (max-width: 640px) {
  .page-head { padding: 140px 6vw 64px; }
  .page-head h1 { font-size: clamp(34px, 10.5vw, 46px); }
  .page-head .lede { margin-top: 22px; font-size: 14px; }

  .section-title { font-size: clamp(27px, 8.5vw, 38px); }
  .section-sub { font-size: 14px; }
  .kicker { font-size: 10px; letter-spacing: .3em; }

  .wrap { padding-left: 6vw; padding-right: 6vw; }

  .cta-band h2 { font-size: clamp(30px, 9.5vw, 46px); }
  .cta-band .btn { margin-top: 30px; }

  .btn { padding: 16px 34px; font-size: 12px; letter-spacing: .26em; }

  .stat-strip .num { font-size: clamp(34px, 10vw, 46px); }

  .site-footer { padding: 56px 6vw 28px; }
  .site-footer .f-logo { font-size: 34px; }

  /* Tam ekran menüde bağlantılar bir tık küçük, nefesli */
  .nav-links a { font-size: clamp(24px, 7vw, 34px); padding: 8px 0; }
  .nav-links .nav-buy { margin-top: 18px; font-size: 13px; padding: 16px 38px; }
}