/* ==========================================================================
   MAYER PETROKİMYA
   Tasarım sistemi — "Precision"
   Archivo (başlık) + Inter (metin) + JetBrains Mono (teknik etiket)
   ========================================================================== */

:root {
  /* --- Renk --- */
  --ink:        #0A1710;   /* en koyu — footer, koyu bölümler */
  --ink-2:      #10231A;
  --ink-3:      #1B3327;
  --text:       #16241C;
  --text-2:     #55665C;
  --text-3:     #7E8F85;

  --green-900:  #0C2A1B;
  --green-800:  #14402B;
  --green-700:  #1E5235;
  --green-600:  #2C6E49;
  --green-500:  #38885B;
  --signal:     #5FD39A;   /* koyu zeminde vurgu */
  --green-200:  #A9C9B4;
  --green-100:  #E4EFE7;
  --green-50:   #F3F8F4;

  --gold:       #C68A2E;
  --gold-200:   #E8C88A;
  --gold-50:    #FBF4E7;

  --paper:      #FFFFFF;
  --paper-2:    #F7FAF8;
  --line:       #E2EAE4;
  --line-2:     #EEF3EF;
  --line-dark:  rgba(255,255,255,.13);

  /* --- Tipografi --- */
  --f-display: "Archivo", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --f-body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --f-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* --- Ölçü --- */
  --wrap: 1280px;
  --gutter: clamp(20px, 4vw, 52px);
  --r-sm: 8px;
  --r:    14px;
  --r-lg: 24px;
  --header-h: 78px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);

  --shadow-sm: 0 1px 2px rgba(10,23,16,.05), 0 3px 10px rgba(10,23,16,.05);
  --shadow-md: 0 6px 18px rgba(10,23,16,.07), 0 20px 44px rgba(10,23,16,.08);
  --shadow-lg: 0 24px 70px rgba(10,23,16,.18);
}

/* ------------------------------- Reset ---------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}
body {
  margin: 0;
  font-family: var(--f-body);
  font-size: 16.5px;
  line-height: 1.66;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  font-feature-settings: "cv05" 1, "ss01" 1;
}
img, svg, iframe { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }
table { border-collapse: collapse; width: 100%; }
p { margin: 0 0 1.05em; }
p:last-child { margin-bottom: 0; }

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  color: var(--text);
  line-height: 1.08;
  letter-spacing: -.035em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.4rem, 1.45rem + 3.6vw, 4.15rem); letter-spacing: -.045em; }
h2 { font-size: clamp(1.95rem, 1.3rem + 2.4vw, 3.1rem); letter-spacing: -.04em; }
h3 { font-size: clamp(1.12rem, 1.02rem + .4vw, 1.32rem); letter-spacing: -.025em; }
h4 { font-size: 1rem; letter-spacing: -.02em; }

::selection { background: var(--green-200); color: var(--green-900); }
:focus-visible { outline: 2px solid var(--green-500); outline-offset: 3px; border-radius: 3px; }

.skip-link { position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--green-800); color: #fff; padding: 12px 20px; }
.skip-link:focus { left: 0; }

/* ------------------------------ Layout ---------------------------------- */
.wrap { width: min(100% - (var(--gutter) * 2), var(--wrap)); margin-inline: auto; }
.section { padding: clamp(70px, 8vw, 130px) 0; }
.section--sm { padding: clamp(52px, 5vw, 80px) 0; }
.section--toolbar { padding-top: clamp(30px, 3vw, 46px); }
.section--paper2 { background: var(--paper-2); }
.section--dark { background: var(--ink); color: rgba(255,255,255,.72); }
.section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* --------------------------- Tipografi bitleri --------------------------- */
.mono {
  font-family: var(--f-mono);
  font-size: .705rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.eyebrow {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--f-mono); font-size: .705rem; font-weight: 500;
  letter-spacing: .17em; text-transform: uppercase;
  color: var(--green-600); margin-bottom: 22px;
}
.eyebrow::before {
  content: attr(data-no); color: var(--gold);
  border: 1px solid var(--gold-200); border-radius: 4px;
  padding: 3px 7px; font-size: .66rem; letter-spacing: .08em;
}
.eyebrow--plain::before { content: none; }
.eyebrow--light { color: var(--signal); }
.eyebrow--light::before { color: var(--gold-200); border-color: rgba(232,200,138,.4); }

.lead { font-size: clamp(1.06rem, .98rem + .38vw, 1.28rem); line-height: 1.58; color: var(--text-2); font-weight: 400; }
.section--dark .lead { color: rgba(255,255,255,.66); }

.section-head { max-width: 780px; margin-bottom: clamp(38px, 4.5vw, 64px); }
.section-head .lead { margin-top: 18px; }
.section-head--split {
  display: grid; grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr);
  gap: clamp(24px, 4vw, 72px); align-items: end; max-width: none;
}
@media (max-width: 900px) { .section-head--split { grid-template-columns: 1fr; align-items: start; } }

/* ------------------------------ Butonlar --------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 27px; border-radius: 999px; border: 1px solid transparent;
  font-family: var(--f-body); font-size: .93rem; font-weight: 600;
  letter-spacing: -.01em; line-height: 1; white-space: nowrap;
  transition: background .2s var(--ease), color .2s var(--ease),
              border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: var(--green-600); color: #fff; box-shadow: 0 6px 20px rgba(44,110,73,.26); }
.btn--primary:hover { background: var(--green-800); box-shadow: 0 12px 30px rgba(44,110,73,.32); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: var(--green-800); }
.btn--ghost { border-color: var(--line); color: var(--text); background: var(--paper); }
.btn--ghost:hover { border-color: var(--green-600); color: var(--green-700); }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: var(--green-100); }
.btn--outline-light { border-color: rgba(255,255,255,.28); color: #fff; }
.btn--outline-light:hover { border-color: rgba(255,255,255,.6); background: rgba(255,255,255,.07); }
.btn--sm { padding: 11px 20px; font-size: .86rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.arrow { display: inline-block; transition: transform .22s var(--ease); }
.btn:hover .arrow, .tlink:hover .arrow { transform: translateX(4px); }

.tlink {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--f-mono); font-size: .72rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase; color: var(--green-600);
  padding-bottom: 5px; border-bottom: 1px solid var(--line);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.tlink:hover { color: var(--green-800); border-color: var(--green-600); }
.tlink--light { color: var(--signal); border-color: rgba(255,255,255,.2); }
.tlink--light:hover { color: #fff; border-color: rgba(255,255,255,.55); }

/* ------------------------------- Header ---------------------------------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.86);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--line-2);
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.header.is-stuck { box-shadow: 0 1px 24px rgba(10,23,16,.07); border-color: var(--line); }
.header__bar { display: flex; align-items: center; gap: 24px; height: var(--header-h); }

.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo__badge { height: 56px; width: auto; display: block; }
@media (max-width: 480px) { .logo__badge { height: 46px; } }
.footer .logo__badge { height: 64px; }

.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: 2px; }
.nav__link {
  position: relative; display: block; padding: 10px 15px;
  font-size: .925rem; font-weight: 500; color: var(--text-2);
  transition: color .18s var(--ease);
}
.nav__link::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 2px; height: 1.5px;
  background: var(--green-600); transform: scaleX(0); transform-origin: left;
  transition: transform .28s var(--ease-out);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.nav__link.is-active { color: var(--green-700); font-weight: 600; }

.header__actions { display: flex; align-items: center; gap: 12px; }
.lang { display: inline-flex; align-items: center; gap: 2px; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .1em; }
.lang a { padding: 6px 8px; color: var(--text-3); border-radius: 5px; transition: color .16s var(--ease), background .16s var(--ease); }
.lang a:hover { color: var(--text); background: var(--green-50); }
.lang a.is-active { color: var(--green-700); font-weight: 600; }
.lang span { color: var(--line); }

.burger {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line);
  border-radius: 10px; padding: 0; place-items: center; background: #fff;
}
.burger i { display: block; width: 17px; height: 1.6px; background: var(--text); border-radius: 2px;
  transition: transform .24s var(--ease), opacity .16s var(--ease); }
.burger i + i { margin-top: 4.6px; }
.burger[aria-expanded="true"] i:nth-child(1) { transform: translateY(6.2px) rotate(45deg); }
.burger[aria-expanded="true"] i:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] i:nth-child(3) { transform: translateY(-6.2px) rotate(-45deg); }

@media (max-width: 1080px) {
  .burger { display: grid; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; background: #fff;
    border-bottom: 1px solid var(--line); padding: 10px var(--gutter) 28px;
    transform: translateY(-10px); opacity: 0; visibility: hidden;
    transition: transform .26s var(--ease-out), opacity .22s var(--ease), visibility .26s;
    max-height: calc(100dvh - var(--header-h)); overflow-y: auto; box-shadow: var(--shadow-md);
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__link { padding: 15px 4px; font-size: 1.06rem; border-bottom: 1px solid var(--line-2); }
  .nav__link::after { display: none; }
  .header__actions > .btn { display: none; }
}

/* --------------------------------- Hero ---------------------------------- */
.hero {
  position: relative; overflow: hidden; background: var(--ink); color: #fff;
  border-bottom: 1px solid var(--line-dark);
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.hero__bg::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(1200px 700px at 82% -10%, rgba(95,211,154,.17), transparent 58%),
    radial-gradient(900px 600px at 4% 104%, rgba(44,110,73,.34), transparent 60%);
}
.hero__bg::after {
  content: ""; position: absolute; inset: 0; opacity: .45;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(120% 100% at 50% 0%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 100% at 50% 0%, #000 20%, transparent 78%);
}
.hero__inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  gap: clamp(36px, 5vw, 76px); align-items: center;
  padding: clamp(64px, 7.5vw, 116px) 0 clamp(56px, 6vw, 96px);
}
@media (max-width: 980px) { .hero__inner { grid-template-columns: 1fr; padding-bottom: 48px; } }

.hero h1 { color: #fff; max-width: 14ch; }
.hero h1 .hl { color: var(--signal); }
.hero__lead { margin-top: 26px; max-width: 52ch; font-size: clamp(1.04rem, .98rem + .35vw, 1.2rem); color: rgba(255,255,255,.72); }
.hero .btn-row { margin-top: 36px; }

/* Film kesiti görseli */
.filmviz { position: relative; }
.filmviz__frame {
  border: 1px solid var(--line-dark); border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(255,255,255,.055), rgba(255,255,255,.015));
  padding: 22px; backdrop-filter: blur(6px);
}
.filmviz__head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding-bottom: 16px; margin-bottom: 16px; border-bottom: 1px solid var(--line-dark);
  color: rgba(255,255,255,.5);
}
.filmviz__head .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--signal);
  box-shadow: 0 0 0 4px rgba(95,211,154,.16); animation: pulse 2.6s var(--ease) infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 4px rgba(95,211,154,.16); } 50% { box-shadow: 0 0 0 8px rgba(95,211,154,.05); } }
.filmviz__rows { display: flex; flex-direction: column; gap: 6px; }
.fl {
  display: grid; grid-template-columns: 96px 1fr; align-items: center; gap: 14px;
  padding: 13px 16px; border-radius: 10px;
  background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.07);
  transition: background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.fl:hover { background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.16); transform: translateX(5px); }
.fl__k { font-family: var(--f-mono); font-size: .625rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.44); }
.fl__v { font-size: .89rem; font-weight: 500; color: rgba(255,255,255,.9); letter-spacing: -.012em; }
.fl--hi { background: linear-gradient(90deg, rgba(198,138,46,.2), rgba(198,138,46,.05)); border-color: rgba(232,200,138,.34); }
.fl--hi:hover { background: linear-gradient(90deg, rgba(198,138,46,.3), rgba(198,138,46,.08)); border-color: rgba(232,200,138,.55); }
.fl--hi .fl__k { color: var(--gold-200); }
.fl--hi .fl__v { color: #fff; }
@media (max-width: 520px) { .fl { grid-template-columns: 1fr; gap: 3px; } }

/* Hero istatistik şeridi */
.hero-stats {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
}
.hero-stat { padding: 28px 30px 30px; border-right: 1px solid var(--line-dark); }
.hero-stat:last-child { border-right: 0; }
.hero-stat__n {
  font-family: var(--f-display); font-size: clamp(1.7rem, 1.3rem + 1.3vw, 2.4rem);
  font-weight: 700; letter-spacing: -.04em; color: #fff; line-height: 1;
}
.hero-stat__l { margin-top: 10px; font-family: var(--f-mono); font-size: .655rem;
  letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.44); line-height: 1.5; }
@media (max-width: 720px) {
  .hero-stats { grid-template-columns: 1fr; }
  .hero-stat { border-right: 0; border-bottom: 1px solid var(--line-dark); padding: 20px 4px; }
  .hero-stat:last-child { border-bottom: 0; }
}

/* ------------------------------ Sayfa başlığı ---------------------------- */
.pagehead {
  position: relative; overflow: hidden; background: var(--ink); color: #fff;
  padding: clamp(56px, 6.5vw, 104px) 0 clamp(48px, 5.5vw, 88px);
}
.pagehead::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(900px 500px at 88% -10%, rgba(95,211,154,.14), transparent 60%);
}
.pagehead::after {
  content: ""; position: absolute; inset: 0; opacity: .4;
  background-image: linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(to bottom, #000, transparent 85%);
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 85%);
}
.pagehead > * { position: relative; z-index: 1; }
.pagehead h1 { color: #fff; max-width: 18ch; font-size: clamp(2.15rem, 1.4rem + 3vw, 3.7rem); }
.pagehead .lead { color: rgba(255,255,255,.68); margin-top: 20px; max-width: 60ch; }
.crumbs {
  display: flex; gap: 10px; align-items: center; margin-bottom: 22px;
  font-family: var(--f-mono); font-size: .67rem; letter-spacing: .13em;
  text-transform: uppercase; color: rgba(255,255,255,.36); flex-wrap: wrap;
}
.crumbs a { color: rgba(255,255,255,.6); transition: color .18s var(--ease); }
.crumbs a:hover { color: #fff; }

/* ------------------------- Uygulama çözüm bulucu ------------------------- */
.finder { display: grid; grid-template-columns: minmax(0,.42fr) minmax(0,.58fr); gap: 0;
  border: 1px solid var(--line-dark); border-radius: var(--r-lg); overflow: hidden; }
@media (max-width: 940px) { .finder { grid-template-columns: 1fr; } }

.finder__tabs { border-right: 1px solid var(--line-dark); background: rgba(255,255,255,.02); }
@media (max-width: 940px) { .finder__tabs { border-right: 0; border-bottom: 1px solid var(--line-dark); display: flex; overflow-x: auto; } }

.ftab {
  display: flex; align-items: center; gap: 14px; width: 100%; text-align: left;
  padding: 20px 24px; border-bottom: 1px solid var(--line-dark);
  color: rgba(255,255,255,.6); transition: background .22s var(--ease), color .22s var(--ease);
}
.ftab:last-child { border-bottom: 0; }
.ftab:hover { background: rgba(255,255,255,.05); color: #fff; }
.ftab.is-active { background: rgba(95,211,154,.1); color: #fff; }
.ftab__ic { width: 38px; height: 38px; flex-shrink: 0; border-radius: 9px; display: grid; place-items: center;
  background: rgba(255,255,255,.06); color: var(--signal); transition: background .22s var(--ease); }
.ftab__ic svg { width: 19px; height: 19px; }
.ftab.is-active .ftab__ic { background: rgba(95,211,154,.18); }
.ftab__t { font-weight: 600; font-size: .985rem; letter-spacing: -.018em; line-height: 1.25; }
.ftab__s { display: block; margin-top: 3px; font-family: var(--f-mono); font-size: .615rem;
  letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.36); }
@media (max-width: 940px) {
  .finder__tabs { scroll-snap-type: x mandatory; scrollbar-width: thin; }
  .ftab { flex-direction: column; align-items: flex-start; gap: 10px;
    min-width: 172px; scroll-snap-align: start;
    border-bottom: 0; border-right: 1px solid var(--line-dark); padding: 15px 16px; }
  .ftab__t { font-size: .875rem; }
  .ftab__s { display: none; }
}

.finder__panels { padding: clamp(24px, 3vw, 38px); }
.fpanel { display: none; }
.fpanel.is-active { display: block; animation: fadein .4s var(--ease-out); }
@keyframes fadein { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.fpanel__intro { color: rgba(255,255,255,.66); font-size: .96rem; margin-bottom: 22px; max-width: 56ch; }
.fpanel__note { font-family: var(--f-mono); font-size: .655rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--signal); margin-bottom: 14px; }

/* -------------------------------- Kartlar -------------------------------- */
.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
@media (max-width: 1040px) { .grid--4 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 940px)  { .grid--3 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 680px)  { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

.card {
  position: relative; display: flex; flex-direction: column;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r);
  padding: 30px 28px;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
}
.card:hover { border-color: var(--green-200); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card__ic { width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center;
  background: var(--green-100); color: var(--green-600); margin-bottom: 20px; flex-shrink: 0; }
.card__ic svg { width: 22px; height: 22px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--text-2); font-size: .945rem; }
.card__no { font-family: var(--f-mono); font-size: .66rem; letter-spacing: .14em;
  color: var(--gold); margin-bottom: 16px; }
.card__foot { margin-top: auto; padding-top: 18px; }

/* Teknik künye kartı (spec-sheet) */
.spec {
  position: relative; display: flex; flex-direction: column;
  border: 1px solid var(--line); border-radius: var(--r); background: var(--paper);
  padding: 0; overflow: hidden;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
}
.spec:hover { border-color: var(--green-200); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.spec__top { padding: 24px 24px 20px; border-bottom: 1px solid var(--line-2); }
.spec__chem {
  font-family: var(--f-display); font-size: 1.28rem; font-weight: 700;
  letter-spacing: -.032em; color: var(--text); line-height: 1.15;
}
.spec__full { margin-top: 7px; font-size: .845rem; color: var(--text-3); line-height: 1.45; }
.spec__brand {
  display: inline-flex; align-items: center; gap: 7px; margin-top: 14px;
  font-family: var(--f-mono); font-size: .7rem; letter-spacing: .1em;
  color: var(--green-700); background: var(--green-50); border: 1px solid var(--green-100);
  padding: 5px 10px; border-radius: 5px;
}
.spec__body { padding: 20px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.spec__body p { font-size: .925rem; color: var(--text-2); }
.spec__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.spec__meta {
  margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--line);
  font-family: var(--f-mono); font-size: .655rem; letter-spacing: .05em; color: var(--text-3);
  line-height: 1.7; word-break: break-word;
}
.spec__meta b { color: var(--text-2); font-weight: 500; letter-spacing: .12em; text-transform: uppercase; }

.tag {
  font-family: var(--f-mono); font-size: .625rem; letter-spacing: .09em; text-transform: uppercase;
  padding: 5px 9px; border-radius: 5px; background: var(--paper-2);
  border: 1px solid var(--line); color: var(--text-2);
}
.tag--green { background: var(--green-50); border-color: var(--green-100); color: var(--green-700); }
.tag--gold  { background: var(--gold-50); border-color: var(--gold-200); color: #8A5E14; }
.tag--dark  { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.12); color: rgba(255,255,255,.75); }

/* ------------------------------- Pazarlar -------------------------------- */
.mkt {
  position: relative; overflow: hidden; background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--r); padding: 30px 28px;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
}
.mkt::after {
  content: ""; position: absolute; inset: auto -30% -55% auto; width: 200px; height: 200px;
  border-radius: 50%; background: radial-gradient(circle, rgba(44,110,73,.09), transparent 68%);
  opacity: 0; transition: opacity .3s var(--ease);
}
.mkt:hover { border-color: var(--green-200); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.mkt:hover::after { opacity: 1; }
.mkt > * { position: relative; z-index: 1; }
.mkt__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 20px; }
.mkt__ic { width: 44px; height: 44px; border-radius: 11px; background: var(--green-100);
  color: var(--green-600); display: grid; place-items: center; }
.mkt__ic svg { width: 22px; height: 22px; }
.mkt__no { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .14em; color: var(--text-3); }
.mkt h3 { margin-bottom: 7px; }
.mkt__sub { font-size: .845rem; color: var(--green-600); font-weight: 500; margin-bottom: 12px; }
.mkt p { font-size: .93rem; color: var(--text-2); }
.mkt__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }

/* -------------------------------- Tablo ---------------------------------- */
.table-wrap { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--paper); }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table { min-width: 800px; font-size: .915rem; }
.table thead th {
  background: var(--ink); color: rgba(255,255,255,.62); text-align: left; padding: 15px 20px;
  font-family: var(--f-mono); font-size: .645rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase; white-space: nowrap;
}
.table td { padding: 16px 20px; border-top: 1px solid var(--line-2); vertical-align: top; }
.table tbody tr { transition: background .16s var(--ease); }
.table tbody tr:hover { background: var(--green-50); }
.table td:first-child { font-weight: 600; color: var(--text); white-space: nowrap; }
.table .brand { font-family: var(--f-mono); font-size: .78rem; letter-spacing: .06em; color: var(--green-700); }
.table .muted { color: var(--text-2); }
.table-note { margin-top: 14px; font-size: .855rem; color: var(--text-3); }

/* ------------------------------ Filtre çubuğu ---------------------------- */
.toolbar {
  position: sticky; top: var(--header-h); z-index: 20;
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between;
  padding: 16px 0; background: rgba(255,255,255,.9);
  backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line); margin-bottom: 44px;
}
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  padding: 9px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--paper);
  font-size: .845rem; font-weight: 500; color: var(--text-2);
  transition: all .18s var(--ease);
}
.chip:hover { border-color: var(--green-200); color: var(--green-700); }
.chip.is-active { background: var(--ink); border-color: var(--ink); color: #fff; font-weight: 600; }
.search { position: relative; flex: 1 1 220px; max-width: 300px; }
.search input {
  width: 100%; padding: 11px 16px 11px 40px; border: 1px solid var(--line); border-radius: 999px;
  font: inherit; font-size: .885rem; background: var(--paper); color: var(--text);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.search input:focus { outline: none; border-color: var(--green-500); box-shadow: 0 0 0 3px rgba(44,110,73,.12); }
.search svg { position: absolute; left: 15px; top: 50%; transform: translateY(-50%);
  width: 15px; height: 15px; color: var(--text-3); }
.is-hidden { display: none !important; }
.empty-state { padding: 56px 22px; text-align: center; color: var(--text-3);
  border: 1px dashed var(--line); border-radius: var(--r); }

.group-title {
  display: flex; align-items: baseline; gap: 14px; margin: 0 0 22px;
  padding-bottom: 14px; border-bottom: 1px solid var(--line);
}
.pgroup + .pgroup { margin-top: clamp(46px, 5vw, 68px); }
.group-title h2 { font-size: clamp(1.3rem, 1.15rem + .5vw, 1.6rem); }
.group-title .mono { color: var(--text-3); }

/* -------------------------------- Split ---------------------------------- */
.split { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  gap: clamp(32px, 5vw, 84px); align-items: center; }
.split--7-5 { grid-template-columns: minmax(0,1.12fr) minmax(0,.88fr); }
@media (max-width: 940px) { .split, .split--7-5 { grid-template-columns: 1fr; } }

.statbox { display: grid; grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.statbox > div { padding: 28px 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.statbox > div:nth-child(2n) { border-right: 0; }
.statbox > div:nth-child(n+3) { border-bottom: 0; }
.statbox__n { font-family: var(--f-display); font-size: clamp(1.65rem, 1.35rem + 1.1vw, 2.25rem);
  font-weight: 700; letter-spacing: -.04em; color: var(--green-600); line-height: 1; }
.statbox__l { margin-top: 10px; font-family: var(--f-mono); font-size: .645rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); line-height: 1.5; }
@media (max-width: 520px) {
  .statbox { grid-template-columns: 1fr; }
  .statbox > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .statbox > div:last-child { border-bottom: 0; }
}

.checklist li { position: relative; padding-left: 32px; margin-bottom: 14px; font-size: .96rem; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 6px;
  background: var(--green-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232C6E49' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
}
.section--dark .checklist li::before { background-color: rgba(95,211,154,.16);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235FD39A' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E"); }

/* Sık sorulan sorular */
.faq { border-top: 1px solid var(--line); max-width: 78ch; }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 20px;
  padding: 22px 4px; cursor: pointer; list-style: none;
  font-family: var(--f-display); font-weight: 600; font-size: 1.02rem;
  line-height: 1.45; color: var(--green-900);
  transition: color .2s var(--ease);
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q:hover { color: var(--green-600); }
.faq__q::after {
  content: "+"; flex: none; font-family: var(--f-mono); font-size: 1.3rem;
  line-height: 1.1; color: var(--green-600);
}
.faq__item[open] .faq__q { color: var(--green-700); }
.faq__item[open] .faq__q::after { content: "\2212"; }
.faq__a {
  padding: 0 4px 26px; color: var(--text-2);
  font-size: .97rem; line-height: 1.75;
}
@media (max-width: 520px) {
  .faq__q { font-size: .97rem; padding: 18px 2px; }
  .faq__a { font-size: .93rem; }
}

/* Numaralı liste (neden Mayer) */
.rows { border-top: 1px solid var(--line); }
.rowitem {
  display: grid; grid-template-columns: 64px minmax(0,.9fr) minmax(0,1.1fr);
  gap: 20px; align-items: start; padding: 26px 8px; border-bottom: 1px solid var(--line);
  transition: background .22s var(--ease), padding-left .22s var(--ease);
}
.rowitem:hover { background: var(--paper-2); padding-left: 18px; }
.rowitem__n { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .14em; color: var(--gold); padding-top: 4px; }
.rowitem h3 { font-size: 1.12rem; }
.rowitem p { color: var(--text-2); font-size: .94rem; }
@media (max-width: 760px) {
  .rowitem { grid-template-columns: 44px 1fr; gap: 12px 14px; }
  .rowitem p { grid-column: 2; }
}

/* ---------------------------------- CTA ---------------------------------- */
.cta {
  position: relative; overflow: hidden; border-radius: var(--r-lg); background: var(--ink); color: #fff;
  padding: clamp(42px, 5.5vw, 76px);
  display: grid; grid-template-columns: minmax(0,1.3fr) minmax(0,.7fr); gap: 36px; align-items: center;
}
.cta::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(700px 420px at 88% 8%, rgba(95,211,154,.2), transparent 62%);
}
.cta::after {
  content: ""; position: absolute; inset: 0; opacity: .4;
  background-image: linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(to right, transparent, #000);
  -webkit-mask-image: linear-gradient(to right, transparent, #000);
}
.cta > * { position: relative; z-index: 1; }
.cta h2 { color: #fff; }
.cta p { margin-top: 16px; color: rgba(255,255,255,.7); max-width: 50ch; }
.cta .btn-row { justify-content: flex-end; }
@media (max-width: 880px) { .cta { grid-template-columns: 1fr; } .cta .btn-row { justify-content: flex-start; } }

/* -------------------------------- İletişim -------------------------------- */
.contact-grid { display: grid; grid-template-columns: minmax(0,.82fr) minmax(0,1.18fr);
  gap: clamp(30px, 4.5vw, 64px); align-items: start; }
@media (max-width: 940px) { .contact-grid { grid-template-columns: 1fr; } }

.info-item { display: flex; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--line-2); }
.info-item:first-child { padding-top: 0; }
.info-item:last-child { border-bottom: 0; }
.info-item__ic { width: 40px; height: 40px; flex-shrink: 0; border-radius: 10px;
  background: var(--green-100); color: var(--green-600); display: grid; place-items: center; }
.info-item__ic svg { width: 18px; height: 18px; }
.info-item__l { font-family: var(--f-mono); font-size: .625rem; letter-spacing: .15em;
  text-transform: uppercase; color: var(--text-3); margin-bottom: 6px; }
.info-item__v { font-size: 1rem; font-weight: 500; color: var(--text); line-height: 1.55; }
.info-item__v a { transition: color .18s var(--ease); }
.info-item__v a:hover { color: var(--green-600); }

.form { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r);
  padding: clamp(26px, 3vw, 38px); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form__row { grid-template-columns: 1fr; } }
.field { margin-bottom: 17px; }
.field label { display: block; font-family: var(--f-mono); font-size: .645rem; letter-spacing: .13em;
  text-transform: uppercase; color: var(--text-2); margin-bottom: 8px; }
.field label span { color: var(--gold); }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border: 1px solid var(--line); border-radius: var(--r-sm);
  font: inherit; font-size: .94rem; color: var(--text); background: var(--paper);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.field textarea { min-height: 132px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--green-500); box-shadow: 0 0 0 3px rgba(44,110,73,.12);
}
.form__note { font-size: .82rem; color: var(--text-3); margin-top: 16px; }
.map { border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); height: 400px; background: var(--paper-2); }
.map iframe { width: 100%; height: 100%; border: 0; }

/* --------------------------------- Footer -------------------------------- */
.footer { background: var(--ink); color: rgba(255,255,255,.56); padding: clamp(56px, 5.5vw, 84px) 0 0; }
.footer a { transition: color .18s var(--ease); }
.footer a:hover { color: #fff; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 36px; padding-bottom: 50px; }
@media (max-width: 940px) { .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 560px) { .footer__grid { grid-template-columns: 1fr; } }
.footer .logo__name { color: #fff; }
.footer .logo__sub { color: var(--signal); }
.footer__about { margin-top: 20px; font-size: .9rem; line-height: 1.68; max-width: 40ch; }
.footer h4 { color: #fff; font-family: var(--f-mono); font-size: .645rem; font-weight: 500;
  letter-spacing: .16em; text-transform: uppercase; margin-bottom: 18px; }
.footer__links li { margin-bottom: 10px; font-size: .91rem; }
.footer__contact li { margin-bottom: 14px; font-size: .91rem; line-height: 1.55; }
.footer__contact strong { display: block; font-family: var(--f-mono); font-size: .615rem;
  font-weight: 500; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.34); margin-bottom: 4px; }
.footer__bottom {
  border-top: 1px solid var(--line-dark); padding: 22px 0 28px;
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center;
  font-family: var(--f-mono); font-size: .655rem; letter-spacing: .1em; text-transform: uppercase;
  color: rgba(255,255,255,.36);
}

/* -------------------------------- Yardımcı -------------------------------- */
.text-center { text-align: center; }
.measure { max-width: 74ch; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: clamp(30px, 3.5vw, 46px); }
.hr { height: 1px; background: var(--line); border: 0; margin: clamp(44px, 5vw, 70px) 0; }

/* Belirme — yalnızca JS aktifken gizler */
.js .reveal { opacity: 0; transform: translateY(18px); }
.js .reveal.is-in { opacity: 1; transform: none;
  transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); }
.js .reveal[data-d="1"].is-in { transition-delay: .07s; }
.js .reveal[data-d="2"].is-in { transition-delay: .14s; }
.js .reveal[data-d="3"].is-in { transition-delay: .21s; }


/* ---------------------- Hero panosu ek satırı ---------------------------- */
.filmviz__more {
  margin: 14px 4px 2px; font-family: var(--f-mono); font-size: .645rem;
  letter-spacing: .1em; color: rgba(255,255,255,.4); line-height: 1.7;
}

/* ---------------------- Ürün kartı detay bağlantısı ---------------------- */
.spec__more { margin-top: auto; padding-top: 18px; }
.spec__more .tlink { font-size: .66rem; }

/* -------------------------- Dikey istatistik ----------------------------- */
.statbox--rows { grid-template-columns: 1fr; }
.statbox--rows > div { border-right: 0; border-bottom: 1px solid var(--line);
  display: flex; align-items: baseline; gap: 18px; padding: 22px 26px; }
.statbox--rows > div:last-child { border-bottom: 0; }
.statbox--rows .statbox__n { min-width: 5.2ch; }
.statbox--rows .statbox__l { margin-top: 0; }

/* --------------------------- Ürün künyesi kutusu ------------------------- */
.infobox {
  position: sticky; top: calc(var(--header-h) + 24px);
  border: 1px solid var(--line); border-radius: var(--r); background: var(--paper-2);
  padding: 26px 24px;
}
.infobox__t { color: var(--text-3); margin-bottom: 18px; }
.kv { padding: 12px 0; border-top: 1px solid var(--line); display: grid; gap: 4px; }
.kv:first-of-type { border-top: 0; padding-top: 0; }
.kv__k { font-family: var(--f-mono); font-size: .625rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--text-3); }
.kv__v { font-size: .93rem; color: var(--text); font-weight: 500; line-height: 1.5; word-break: break-word; }
@media (max-width: 940px) { .infobox { position: static; } }

/* ------------------------------- Uzun metin ------------------------------ */
.prose p { font-size: 1.02rem; line-height: 1.75; color: var(--text-2); margin-bottom: 1.15em; }
.prose p:first-child { color: var(--text); }

/* --------------------------- Uygulama bağlantısı ------------------------- */
.applinks { border-top: 1px solid var(--line); }
.applink {
  display: grid; grid-template-columns: 44px 1fr auto; align-items: center; gap: 16px;
  padding: 20px 10px; border-bottom: 1px solid var(--line);
  transition: background .2s var(--ease), padding-left .2s var(--ease);
}
.applink:hover { background: var(--paper); padding-left: 20px; }
.applink__ic { width: 42px; height: 42px; border-radius: 11px; background: var(--green-100);
  color: var(--green-600); display: grid; place-items: center; }
.applink__ic svg { width: 21px; height: 21px; }
.applink__t { display: block; font-weight: 600; font-size: 1.02rem; letter-spacing: -.02em; color: var(--text); }
.applink__s { display: block; margin-top: 3px; font-family: var(--f-mono); font-size: .625rem;
  letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); }
.applink .arrow { color: var(--green-600); }
.applink:hover .arrow { transform: translateX(4px); }

/* ---------------------------- İlgili ürün kartı -------------------------- */
.relcard {
  display: flex; flex-direction: column; gap: 6px;
  border: 1px solid var(--line); border-radius: var(--r); background: var(--paper);
  padding: 26px 24px;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
}
.relcard:hover { border-color: var(--green-200); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.relcard__t { font-family: var(--f-display); font-size: 1.2rem; font-weight: 700;
  letter-spacing: -.03em; color: var(--text); }
.relcard__s { font-size: .875rem; color: var(--text-3); line-height: 1.5; }
.relcard .tlink { margin-top: 16px; align-self: flex-start; font-size: .66rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
}

@media print {
  .header, .footer, .cta, .burger, .lang, .toolbar { display: none !important; }
  body { font-size: 11pt; color: #000; }
  .hero, .pagehead { background: #fff !important; color: #000 !important; }
  .hero h1, .pagehead h1 { color: #000 !important; }
}