:root {
  --ink: #18232B;      /* antrasit profil */
  --ink-2: #4A5862;
  --paper: #F4F7F6;    /* soğuk beyaz */
  --white: #FFFFFF;
  --glass: #2E7D73;    /* cam kenarı yeşili */
  --glass-dark: #22605A;
  --mist: #DCEAE7;
  --line: #CAD7D4;
  --display: "Bricolage Grotesque", system-ui, sans-serif;
  --body: "Figtree", system-ui, sans-serif;
  --gutter: clamp(16px, 4vw, 40px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--body);
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.1; margin: 0; letter-spacing: -0.015em; }
h2 { font-size: clamp(2rem, 4.2vw, 3rem); }
h3 { font-size: 1.375rem; font-weight: 500; letter-spacing: -0.005em; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--glass); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--white); padding: 8px 12px; z-index: 50; }
.skip:focus { left: 8px; }

/* Düğmeler */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 22px;
  border-radius: 999px; border: 1.5px solid transparent;
  font: 600 1rem/1 var(--body); text-decoration: none; white-space: nowrap;
  transition: background-color .15s, color .15s, border-color .15s;
}
.btn--primary { background: var(--glass); color: var(--white); }
.btn--primary:hover { background: var(--glass-dark); }
.btn--light { background: var(--white); color: var(--ink); }
.btn--light:hover { background: var(--mist); }
.btn--ghost { border-color: var(--line); color: var(--ink); min-height: 42px; padding: 0 18px; }
.btn--ghost:hover { border-color: var(--ink); }

/* Üst bar */
.top { position: sticky; top: 0; z-index: 20; background: rgba(244, 247, 246, .92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top__in { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand__name { font: 700 1.375rem/1 var(--display); letter-spacing: -0.02em; }
.brand__sub { font: 500 1rem/1 var(--body); color: var(--ink-2); }
.nav { display: flex; gap: 24px; margin-left: auto; }
.nav a { text-decoration: none; font-weight: 500; color: var(--ink-2); }
.nav a:hover { color: var(--ink); }

/* Hero: fotoğraf katlanır cam panellerle açılır */
.hero { position: relative; min-height: min(88vh, 820px); display: flex; align-items: flex-end; color: var(--white); overflow: hidden; }
.hero__media, .hero__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(24, 35, 43, .15) 30%, rgba(24, 35, 43, .82) 100%);
}
.panes { position: absolute; inset: 0; display: flex; z-index: 1; }
.panes span {
  --i: 0;
  flex: 1;
  border-left: 3px solid rgba(24, 35, 43, .7);
  background:
    linear-gradient(115deg, transparent 40%, rgba(255, 255, 255, .14) 47%, transparent 54%),
    rgba(190, 225, 220, .10);
  /* son durum: camlar sağ kenarda üst üste toplanmış */
  transform: translateX(calc((5 - var(--i)) * (100% - 7px)));
  animation: fold 1.6s cubic-bezier(.65, 0, .25, 1) .35s backwards;
}
.panes span:nth-child(2) { --i: 1; }
.panes span:nth-child(3) { --i: 2; }
.panes span:nth-child(4) { --i: 3; }
.panes span:nth-child(5) { --i: 4; }
.panes span:nth-child(6) { --i: 5; border-right: 3px solid rgba(24, 35, 43, .7); }
@keyframes fold { from { transform: translateX(0); } }
@media (prefers-reduced-motion: reduce) {
  .panes span { animation: none; }
  html { scroll-behavior: auto; }
}

.hero__body { position: relative; z-index: 2; padding-top: 120px; padding-bottom: clamp(40px, 8vh, 80px); }
.hero h1 { font-size: clamp(2.5rem, 6.4vw, 5rem); max-width: 14ch; letter-spacing: -0.03em; }
.hero__lead { max-width: 54ch; margin-top: 20px; font-size: 1.125rem; color: rgba(255, 255, 255, .88); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

/* Bölümler */
.section { padding: clamp(64px, 10vw, 120px) 0; }
.section--ink { background: var(--ink); color: var(--white); }
.section--mist { background: var(--mist); }
.section__head { display: grid; gap: 12px; margin-bottom: 48px; max-width: 60ch; }
.section__head p { color: var(--ink-2); font-size: 1.125rem; }
.section--ink .section__head p { color: rgba(255, 255, 255, .72); }

/* Öne çıkan ürün */
.feature { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.feature img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 6px; }
.feature h3 { font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 700; }
.feature p { margin-top: 16px; color: var(--ink-2); max-width: 46ch; }
.ticks { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 10px; }
.ticks li { padding-left: 28px; position: relative; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .3em; width: 14px; height: 14px; border-radius: 2px; background: var(--glass); opacity: .85; }

/* Diğer ürünler */
.products { display: grid; grid-template-columns: repeat(6, 1fr); gap: clamp(28px, 4vw, 48px) clamp(20px, 3vw, 32px); margin-top: clamp(56px, 8vw, 96px); }
.product { grid-column: span 3; }
.product--wide { grid-column: span 4; }
.product--tall { grid-column: span 2; }
.product img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 6px; margin-bottom: 18px; }
.product--tall img { aspect-ratio: auto; height: calc(100% - 140px); min-height: 220px; }
.product--tall { display: flex; flex-direction: column; }
.product p { margin-top: 8px; color: var(--ink-2); max-width: 46ch; }

/* Diğer işler */
.extras { margin-top: clamp(56px, 8vw, 88px); padding-top: 32px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 3fr; gap: 24px 40px; }
.extras ul { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 40px; }
.extras li { color: var(--ink-2); }
.extras strong { display: block; color: var(--ink); font: 500 1.25rem/1.3 var(--display); margin-bottom: 2px; }

/* Süreç */
.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid rgba(255, 255, 255, .2); }
.steps li { counter-increment: s; padding: 28px 28px 8px 0; position: relative; }
.steps li::before { content: counter(s); display: block; font: 700 3.5rem/1 var(--display); color: var(--glass); margin-bottom: 20px; opacity: .9; }
.steps li + li { padding-left: 28px; border-left: 1px solid rgba(255, 255, 255, .2); }
.steps p { margin-top: 8px; color: rgba(255, 255, 255, .72); }
.since { margin-top: 48px; font: 500 clamp(1.25rem, 2.2vw, 1.625rem)/1.35 var(--display); max-width: 40ch; color: var(--mist); }

/* Fikir galerisi */
.ideas { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 120px; gap: 16px; }
.ideas figure { margin: 0; position: relative; overflow: hidden; border-radius: 6px; }
.ideas img { width: 100%; height: 100%; object-fit: cover; }
.ideas figcaption { position: absolute; left: 12px; bottom: 12px; background: rgba(244, 247, 246, .94); padding: 6px 12px; border-radius: 999px; font-size: .9375rem; font-weight: 500; }
.ideas__a { grid-column: 1 / 5; grid-row: span 4; }
.ideas__b { grid-column: 5 / 9; grid-row: span 2; }
.ideas__c { grid-column: 9 / 13; grid-row: span 4; }
.ideas__d { grid-column: 5 / 9; grid-row: span 2; }
.ideas__e { grid-column: 1 / 13; grid-row: span 3; }

/* Bölgeler */
.regions { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.regions p { margin-top: 16px; color: var(--ink-2); max-width: 44ch; font-size: 1.125rem; }
.regions__list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; }
.regions__list li { font: 500 clamp(1.5rem, 3vw, 2.25rem)/1 var(--display); padding: 18px 0; border-bottom: 1px solid rgba(24, 35, 43, .15); letter-spacing: -0.02em; }

/* SSS */
.faq { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; }
.faq__list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 22px 40px 22px 0; position: relative; font-weight: 600; font-size: 1.125rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font: 500 1.75rem/1 var(--display); color: var(--glass); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 0 24px; color: var(--ink-2); max-width: 62ch; }

/* İletişim */
.contact__in { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: start; }
.contact p { margin-top: 16px; color: rgba(255, 255, 255, .75); max-width: 48ch; font-size: 1.125rem; }
.contact__info { margin: 0; display: grid; gap: 24px; }
.contact__info dt { font-size: .9375rem; color: rgba(255, 255, 255, .6); }
.contact__info dd { margin: 4px 0 0; font-size: 1.0625rem; line-height: 1.5; }
.contact__info div:first-child dd { font: 500 1.625rem/1.2 var(--display); }
.contact__info a { text-decoration: none; }
.contact__info .map { display: inline-block; margin-top: 6px; color: #8FD3C8; text-decoration: underline; text-underline-offset: 3px; }

.foot { background: var(--ink); color: rgba(255, 255, 255, .55); border-top: 1px solid rgba(255, 255, 255, .12); font-size: .9375rem; }
.foot__in { display: flex; justify-content: space-between; gap: 16px; padding-top: 24px; padding-bottom: 24px; }

/* Bölge sayfaları */
.area-hero { background: var(--ink); color: var(--white); padding: clamp(40px, 7vw, 88px) 0; }
.area-hero__in { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.area-hero h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); letter-spacing: -0.03em; margin-top: 16px; }
.area-hero__lead { margin-top: 20px; max-width: 50ch; font-size: 1.125rem; color: rgba(255, 255, 255, .8); }
.area-hero img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 6px; }
.crumbs { font-size: .9375rem; color: rgba(255, 255, 255, .6); }
.crumbs a { color: rgba(255, 255, 255, .8); }
.area-body { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.svc { list-style: none; padding: 0; margin: 28px 0 0; border-top: 1px solid var(--line); }
.svc li { padding: 16px 0; border-bottom: 1px solid var(--line); color: var(--ink-2); }
.svc strong { display: block; color: var(--ink); font: 500 1.25rem/1.3 var(--display); }
.area-note { background: var(--white); border-left: 4px solid var(--glass); padding: 28px; border-radius: 0 6px 6px 0; }
.area-note p { margin-top: 12px; color: var(--ink-2); }
.area-note .area-note__since { font-weight: 600; color: var(--ink); }
.mahalle { list-style: none; padding: 0; margin: 0; columns: 4 180px; column-gap: 32px; }
.mahalle li { padding: 6px 0; break-inside: avoid; border-bottom: 1px solid rgba(24, 35, 43, .1); }
.others__title { font-size: clamp(1.5rem, 3vw, 2rem); }
.others { list-style: none; padding: 0; margin: 24px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.others a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 18px; border: 1.5px solid var(--line); border-radius: 999px; text-decoration: none; font-weight: 500; }
.others a:hover { border-color: var(--ink); }
.regions__list a { text-decoration: none; display: block; }
.regions__list a:hover { color: var(--glass); }

/* Mobil hızlı iletişim çubuğu */
.dock { display: none; }

@media (max-width: 900px) {
  .nav { display: none; }
  .top__tel { margin-left: auto; }
  .feature, .regions, .faq, .contact__in, .extras, .area-hero__in, .area-body { grid-template-columns: 1fr; }
  .products { grid-template-columns: 1fr 1fr; }
  .product, .product--wide, .product--tall { grid-column: span 1; }
  .product--wide { grid-column: span 2; }
  .product--tall img { height: auto; aspect-ratio: 3 / 2; min-height: 0; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li:nth-child(3) { padding-left: 0; border-left: 0; }
  .ideas { grid-auto-rows: 90px; }
}

@media (max-width: 600px) {
  body { padding-bottom: 64px; }
  .brand__sub { display: none; }
  .top__tel { min-height: 38px; padding: 0 14px; font-size: .9375rem; }
  .hero { min-height: 86vh; }
  .hero__cta .btn { flex: 1 1 100%; }
  .panes span:nth-child(n+4) { display: none; }
  .panes span { transform: translateX(calc((2 - var(--i)) * (100% - 7px))); }
  .panes span:nth-child(3) { border-right: 3px solid rgba(24, 35, 43, .7); }
  .products { grid-template-columns: 1fr; }
  .product--wide { grid-column: span 1; }
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li + li { padding: 24px 0 16px; border-left: 0; border-bottom: 1px solid rgba(255, 255, 255, .2); }
  .ideas { grid-template-columns: 1fr 1fr; grid-auto-rows: 160px; gap: 10px; }
  .ideas__a, .ideas__c { grid-column: span 1; grid-row: span 2; }
  .ideas__b, .ideas__d { grid-column: span 1; grid-row: span 1; }
  .ideas__e { grid-column: 1 / -1; grid-row: span 1; }
  .regions__list { gap: 0 20px; }
  .regions__list li { font-size: 1.375rem; padding: 14px 0; }
  .extras ul { grid-template-columns: 1fr; }
  .foot__in { flex-direction: column; }
  .dock {
    display: grid; grid-template-columns: 1fr 1fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    background: var(--ink); padding: 8px 10px calc(8px + env(safe-area-inset-bottom)); gap: 8px;
  }
  .dock a { display: flex; align-items: center; justify-content: center; min-height: 48px; border-radius: 999px; text-decoration: none; font-weight: 600; color: var(--white); border: 1.5px solid rgba(255, 255, 255, .3); }
  .dock .dock__wa { background: var(--glass); border-color: var(--glass); }
}