/* =====================================================================
   ZEMİN ETÜDÜ — zeminetudu.com tasarım sistemi (bir Zemin Teknik markası)
   Açık tema: kum zemini, yosun yeşili metin/paneller, sondaj sarısı vurgu.
   Motif: sondaj logu (katman çizgileri) ve numaralı bölümler.
   ===================================================================== */
:root {
  --moss: #173b2f; --moss-700: #1f4d3d; --moss-500: #2f6b55; --moss-900: #0f281f;
  --sand: #f6f2ea; --sand-200: #ece5d8; --clay: #cfc5b4;
  --paper: #ffffff;
  --amber: #d98c1f; --amber-600: #b8731a; --amber-100: #f9e9cf;
  --ink: #1a1f1c; --mute: #5c655f; --mute-2: #8a928c; --line: #e2dccf;
  --font-display: 'Manrope', 'Inter', 'Segoe UI', Arial, sans-serif;
  --font-body: 'Inter', 'Segoe UI', Roboto, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;
  --r-sm: 6px; --r: 12px; --r-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(23,59,47,.06), 0 2px 8px rgba(23,59,47,.06);
  --shadow: 0 14px 34px -14px rgba(23,59,47,.28), 0 2px 8px rgba(23,59,47,.06);
  --shadow-lg: 0 34px 70px -26px rgba(23,59,47,.45);
  --ease: cubic-bezier(.2,.7,.2,1);
  --container: 1240px; --gutter: clamp(1.1rem, 3vw, 2.5rem);
  --grid: linear-gradient(90deg, rgba(23,59,47,.06) 1px, transparent 1px), linear-gradient(0deg, rgba(23,59,47,.06) 1px, transparent 1px);
}
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 15px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font-body); color: var(--ink); background: var(--paper); line-height: 1.6; overflow-x: hidden; }
img, video { max-width: 100%; display: block; }
a { color: var(--amber-600); text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--moss); letter-spacing: -.025em; line-height: 1.08; margin: 0 0 .6em; font-weight: 800; }
h1 { font-size: clamp(2.2rem, 1.3rem + 3vw, 4rem); }
h2 { font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.7rem); }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1rem; }
.ze-container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.ze-section { padding: clamp(3.5rem, 7vw, 6.5rem) 0; position: relative; }
.ze-section--sand { background: var(--sand); }
.ze-section--grid { background-color: var(--sand); background-image: var(--grid); background-size: 48px 48px; }
.ze-section--moss { background: var(--moss); color: rgba(255,255,255,.8); }
.ze-section--moss h2, .ze-section--moss h3 { color: #fff; }
.ze-kicker { display: inline-flex; align-items: center; gap: .6rem; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--amber-600); }
.ze-kicker::before { content: ""; width: 10px; height: 10px; background: var(--amber); }
.ze-section--moss .ze-kicker { color: #f3cf8a; }
.ze-head { max-width: 46rem; margin-bottom: clamp(2rem, 4vw, 3.2rem); }
.ze-head p { color: var(--mute); font-size: 1.05rem; }
.ze-section--moss .ze-head p { color: rgba(255,255,255,.7); }
.ze-head--center { margin-inline: auto; text-align: center; }
.ze-head--center .ze-kicker { justify-content: center; }
.ze-num { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; color: var(--mute-2); }

/* Düğmeler */
.ze-btn { display: inline-flex; align-items: center; gap: .55rem; padding: .8rem 1.35rem; border-radius: var(--r-sm); font-family: var(--font-display); font-weight: 700; font-size: .92rem; line-height: 1; border: 1.5px solid transparent; cursor: pointer; transition: transform .2s var(--ease), background .2s, color .2s, border-color .2s; white-space: nowrap; }
.ze-btn:hover { transform: translateY(-1px); }
.ze-btn--lg { padding: 1rem 1.7rem; font-size: 1rem; }
.ze-btn--amber { background: var(--amber); color: #fff; }
.ze-btn--amber:hover { background: var(--amber-600); color: #fff; }
.ze-btn--dark { background: var(--moss); color: #fff; }
.ze-btn--dark:hover { background: var(--moss-700); color: #fff; }
.ze-btn--outline { border-color: var(--line); color: var(--moss); background: #fff; }
.ze-btn--outline:hover { border-color: var(--moss); }
.ze-btn--ghost { border-color: rgba(255,255,255,.35); color: #fff; background: transparent; }
.ze-btn--ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
.ze-btn--link { padding: 0; border: 0; background: none; color: var(--amber-600); gap: .4rem; }
.ze-btn--link i { transition: transform .2s; }
.ze-btn--link:hover i { transform: translateX(3px); }

/* Üst bar + header */
.ze-topbar { background: var(--moss); color: rgba(255,255,255,.75); font-size: .78rem; font-family: var(--font-mono); letter-spacing: .02em; }
.ze-topbar__in { max-width: var(--container); margin: 0 auto; padding: .45rem var(--gutter); display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.ze-topbar a { color: rgba(255,255,255,.85); }
.ze-topbar a:hover { color: #fff; }
.ze-topbar__meta { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.ze-topbar__meta i { color: var(--amber); margin-right: .35rem; }
.ze-topbar__zt { display: none; align-items: center; gap: .5rem; }
@media (min-width: 768px) { .ze-topbar__zt { display: inline-flex; } }
.ze-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); backdrop-filter: blur(12px) saturate(160%); -webkit-backdrop-filter: blur(12px) saturate(160%); border-bottom: 1px solid var(--line); transition: box-shadow .25s; }
.ze-header.is-scrolled { box-shadow: 0 10px 30px -22px rgba(23,59,47,.4); }
.ze-header__in { max-width: var(--container); margin: 0 auto; padding: .75rem var(--gutter); display: flex; align-items: center; gap: 1.5rem; }
.ze-brand { display: flex; align-items: center; gap: .7rem; color: var(--moss); }
.ze-brand svg { width: 42px; height: 42px; flex-shrink: 0; }
.ze-brand__txt { display: flex; flex-direction: column; line-height: 1; }
.ze-brand__txt b { font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; letter-spacing: .06em; }
.ze-brand__txt small { font-family: var(--font-mono); font-size: .6rem; letter-spacing: .18em; text-transform: uppercase; color: var(--mute); margin-top: .3rem; }
.ze-nav { display: none; margin-left: auto; gap: .1rem; }
.ze-nav a { padding: .55rem .8rem; border-radius: var(--r-sm); color: var(--ink); font-weight: 600; font-size: .92rem; transition: background .2s, color .2s; }
.ze-nav a:hover, .ze-nav a.is-active { background: var(--sand); color: var(--amber-600); }
.ze-header__cta { display: flex; align-items: center; gap: .6rem; margin-left: auto; }
.ze-header .ze-btn--amber { display: none; }
.ze-burger { width: 44px; height: 44px; border-radius: var(--r-sm); border: 1px solid var(--line); background: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: pointer; }
.ze-burger span { width: 20px; height: 2px; background: var(--moss); }
@media (min-width: 1024px) { .ze-nav { display: flex; } .ze-header__cta { margin-left: 0; } .ze-header .ze-btn--amber { display: inline-flex; } .ze-burger { display: none; } }
.ze-drawer { position: fixed; inset: 0; z-index: 200; display: none; }
.ze-drawer.is-open { display: block; }
.ze-drawer__bg { position: absolute; inset: 0; background: rgba(23,59,47,.55); }
.ze-drawer__panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(88vw, 380px); background: #fff; padding: 1.2rem 1.4rem 2rem; overflow-y: auto; display: flex; flex-direction: column; gap: .3rem; animation: ze-slide .28s var(--ease); }
@keyframes ze-slide { from { transform: translateX(100%); } to { transform: none; } }
.ze-drawer__top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.ze-drawer__close { width: 42px; height: 42px; border-radius: var(--r-sm); border: 1px solid var(--line); background: #fff; font-size: 1.1rem; cursor: pointer; }
.ze-drawer a.ze-drawer__link { display: block; padding: .85rem .9rem; border-radius: var(--r-sm); font-family: var(--font-display); font-weight: 700; color: var(--moss); font-size: 1.05rem; }
.ze-drawer a.ze-drawer__link:hover, .ze-drawer a.ze-drawer__link.is-active { background: var(--sand); color: var(--amber-600); }
.ze-drawer__cta { margin-top: auto; display: grid; gap: .6rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.ze-drawer__cta .ze-btn { justify-content: center; }
.ze-drawer__meta { font-size: .85rem; color: var(--mute); display: grid; gap: .3rem; margin-top: 1rem; }

/* Hero (bölünmüş) */
.ze-hero { background-color: var(--sand); background-image: var(--grid); background-size: 48px 48px; position: relative; overflow: hidden; }
.ze-hero__in { max-width: var(--container); margin: 0 auto; padding: clamp(3rem, 6vw, 5.5rem) var(--gutter) clamp(3rem, 6vw, 5rem); display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 992px) { .ze-hero__in { grid-template-columns: 1.05fr 1fr; gap: 3.5rem; min-height: calc(100vh - 110px); } }
.ze-hero__copy h1 { margin: 1rem 0 1.2rem; }
.ze-hero__copy h1 em { font-style: normal; color: var(--amber); }
.ze-hero__copy p { color: var(--mute); font-size: 1.08rem; max-width: 32rem; margin-bottom: 1.8rem; line-height: 1.7; }
.ze-hero__actions { display: flex; flex-wrap: wrap; gap: .7rem; }
.ze-hero__trust { margin-top: 2.2rem; display: flex; align-items: center; gap: 1rem; padding-top: 1.4rem; border-top: 1px solid var(--clay); color: var(--mute); font-size: .86rem; }
.ze-hero__trust img { width: 44px; height: 40px; object-fit: contain; background: #fff; border-radius: var(--r-sm); padding: 3px; border: 1px solid var(--line); }
.ze-hero__trust b { color: var(--moss); display: block; }
.ze-hero__media { position: relative; }
.ze-hero__media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--r-lg); box-shadow: var(--shadow-lg); }
@media (min-width: 992px) { .ze-hero__media img { aspect-ratio: 5 / 6; } }
.ze-hero__tag { position: absolute; left: -1rem; bottom: 2rem; background: var(--moss); color: #fff; padding: .9rem 1.1rem; border-radius: var(--r); box-shadow: var(--shadow); max-width: 15rem; }
.ze-hero__tag b { display: block; font-family: var(--font-display); font-size: 1.4rem; letter-spacing: -.02em; }
.ze-hero__tag span { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.7); }
.ze-hero__corner { position: absolute; right: 1rem; top: 1rem; width: 62px; height: 62px; border-radius: 50%; background: var(--amber); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: .62rem; letter-spacing: .08em; text-align: center; line-height: 1.2; box-shadow: var(--shadow); }
@media (max-width: 991px) { .ze-hero__tag { left: 1rem; } }

/* İstatistik şeridi */
.ze-stats { background: var(--moss); color: #fff; }
.ze-stats__in { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); display: grid; grid-template-columns: repeat(2, 1fr); }
.ze-stat { padding: 1.5rem 1.2rem 1.5rem 0; border-right: 1px solid rgba(255,255,255,.12); }
.ze-stat + .ze-stat { padding-left: 1.2rem; }
.ze-stat:last-child { border-right: 0; }
.ze-stat__num { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.7rem, 1.2rem + 1.5vw, 2.5rem); letter-spacing: -.03em; line-height: 1; }
.ze-stat__num span { color: var(--amber); }
.ze-stat__lbl { margin-top: .4rem; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.6); }
@media (min-width: 768px) { .ze-stats__in { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 767px) { .ze-stat:nth-child(2) { border-right: 0; } .ze-stat:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.12); } .ze-stat:nth-child(3) { padding-left: 0; } }

/* Hizmet kartları */
.ze-grid { display: grid; gap: 1.2rem; }
@media (min-width: 700px) { .ze-grid--2, .ze-grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .ze-grid--3 { grid-template-columns: repeat(3, 1fr); } }
.ze-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.7rem 1.6rem; position: relative; transition: transform .25s var(--ease), box-shadow .25s; display: flex; flex-direction: column; }
.ze-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.ze-card__num { position: absolute; top: 1.4rem; right: 1.4rem; font-family: var(--font-mono); font-size: .7rem; color: var(--mute-2); letter-spacing: .1em; }
.ze-card__icon { width: 52px; height: 52px; border-radius: var(--r); background: var(--sand); color: var(--amber-600); display: flex; align-items: center; justify-content: center; font-size: 1.25rem; margin-bottom: 1.1rem; transition: background .25s, color .25s; }
.ze-card:hover .ze-card__icon { background: var(--amber); color: #fff; }
.ze-card h3 { font-size: 1.12rem; margin-bottom: .5rem; }
.ze-card p { color: var(--mute); font-size: .93rem; margin-bottom: .8rem; }
.ze-card ul { margin: 0 0 1rem; padding-left: 1.1rem; color: var(--mute); font-size: .9rem; }
.ze-card li::marker { color: var(--amber); }
.ze-card .ze-btn--link { margin-top: auto; }
.ze-card--feature { background: var(--moss); color: rgba(255,255,255,.8); border-color: transparent; }
.ze-card--feature h3 { color: #fff; }
.ze-card--feature p { color: rgba(255,255,255,.75); }
.ze-card--feature .ze-card__icon { background: rgba(255,255,255,.1); color: #f3cf8a; }
.ze-card--feature .ze-btn--link { color: #f3cf8a; }

/* Bölünmüş içerik */
.ze-split { display: grid; gap: 2rem; align-items: center; }
@media (min-width: 900px) { .ze-split { grid-template-columns: 1fr 1fr; gap: 3.5rem; } .ze-split--rev > :first-child { order: 2; } }
.ze-split h2 { font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.2rem); }
.ze-split p { color: var(--mute); }
.ze-split ul { padding-left: 1.1rem; color: var(--mute); }
.ze-split li::marker { color: var(--amber); }
.ze-figure { margin: 0; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow); position: relative; }
.ze-figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.ze-figure--tall img { aspect-ratio: 4 / 5; }
.ze-figure figcaption { position: absolute; left: 1rem; bottom: 1rem; background: rgba(23,59,47,.85); color: #fff; padding: .4rem .7rem; border-radius: var(--r-sm); font-family: var(--font-mono); font-size: .66rem; letter-spacing: .08em; }
.ze-credit { font-family: var(--font-mono); font-size: .64rem; color: var(--mute-2); margin-top: .5rem; letter-spacing: .02em; }
.ze-badge { display: inline-flex; align-items: center; gap: .5rem; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--amber-600); background: var(--amber-100); border-radius: 999px; padding: .35rem .75rem; margin-bottom: .9rem; }
.ze-list-check { list-style: none; padding: 0; margin: 0; display: grid; gap: .6rem; }
.ze-list-check li { display: flex; gap: .7rem; align-items: flex-start; }
.ze-list-check i { color: var(--amber); margin-top: .3rem; }
.ze-note { border-left: 4px solid var(--amber); background: var(--sand); padding: 1.1rem 1.3rem; border-radius: 0 var(--r) var(--r) 0; font-size: .95rem; }
.ze-quote { font-family: var(--font-display); font-size: clamp(1.2rem, 1rem + .9vw, 1.6rem); font-weight: 700; color: var(--moss); line-height: 1.35; border-left: 4px solid var(--amber); padding-left: 1.2rem; margin: 1.5rem 0; }
.ze-table { width: 100%; border-collapse: collapse; font-size: .93rem; background: #fff; border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow-sm); }
.ze-table th, .ze-table td { padding: .8rem 1rem; text-align: left; border-bottom: 1px solid var(--line); }
.ze-table th { width: 38%; font-family: var(--font-mono); font-weight: 500; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--mute); background: var(--sand); }
.ze-table tr:last-child td, .ze-table tr:last-child th { border-bottom: 0; }

/* Süreç (zaman çizelgesi) */
.ze-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; counter-reset: s; }
@media (min-width: 900px) { .ze-steps { grid-template-columns: repeat(3, 1fr); } .ze-steps--6 { grid-template-columns: repeat(6, 1fr); } .ze-steps--5 { grid-template-columns: repeat(5, 1fr); } }
.ze-step { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 1.3rem 1.2rem; position: relative; }
.ze-step::before { counter-increment: s; content: "0" counter(s); font-family: var(--font-mono); font-size: .72rem; letter-spacing: .12em; color: var(--amber-600); display: block; margin-bottom: .6rem; }
.ze-step h3 { font-size: 1rem; margin-bottom: .35rem; }
.ze-step p { font-size: .85rem; color: var(--mute); margin: 0; }
.ze-step__bar { height: 4px; background: var(--amber); width: 34px; margin-bottom: .9rem; }

/* Proje paftaları */
.ze-projects { display: grid; gap: 1.4rem; }
@media (min-width: 900px) { .ze-projects { grid-template-columns: repeat(2, 1fr); } }
.ze-project { position: relative; border-radius: var(--r-lg); overflow: hidden; background: var(--moss); color: #fff; min-height: 26rem; display: flex; flex-direction: column; justify-content: flex-end; box-shadow: var(--shadow); }
.ze-project img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .55; transition: transform .8s var(--ease), opacity .4s; }
.ze-project:hover img { transform: scale(1.04); opacity: .65; }
.ze-project::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(23,59,47,.95) 0%, rgba(23,59,47,.45) 55%, rgba(23,59,47,.1) 100%); }
.ze-project__body { position: relative; z-index: 1; padding: 1.7rem 1.6rem; }
.ze-project__meta { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: .8rem; }
.ze-project__meta span { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; padding: .3rem .65rem; color: rgba(255,255,255,.85); }
.ze-project__meta span.is-brick { background: var(--amber); border-color: var(--amber); color: #fff; }
.ze-project h3 { color: #fff; font-size: 1.5rem; margin-bottom: .4rem; }
.ze-project p { color: rgba(255,255,255,.78); font-size: .92rem; margin-bottom: .9rem; }
.ze-project__specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; border-top: 1px solid rgba(255,255,255,.18); padding-top: .9rem; }
.ze-project__specs b { display: block; font-family: var(--font-display); font-size: 1.05rem; }
.ze-project__specs span { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.6); }
.ze-project__idx { position: absolute; top: 1.3rem; right: 1.3rem; z-index: 1; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em; color: rgba(255,255,255,.75); }
.ze-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: .9rem; }
@media (min-width: 800px) { .ze-gallery { grid-template-columns: repeat(4, 1fr); } .ze-gallery--3 { grid-template-columns: repeat(3, 1fr); } }
.ze-gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--r); box-shadow: var(--shadow-sm); }
.ze-gallery--3 img { aspect-ratio: 4 / 3; }

/* Zemin Teknik güvence bandı */
.ze-zt { display: grid; gap: 1.5rem; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(1.4rem, 3vw, 2.4rem); }
@media (min-width: 900px) { .ze-zt { grid-template-columns: auto 1fr auto; } }
.ze-zt img { width: 96px; height: 86px; object-fit: contain; background: var(--sand); border-radius: var(--r); padding: 6px; }
.ze-zt h3 { margin-bottom: .3rem; }
.ze-zt p { margin: 0; color: var(--mute); font-size: .95rem; }

/* SSS */
.ze-faq-list { display: grid; gap: .7rem; max-width: 56rem; }
.ze-faq { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 0 1.3rem; }
.ze-faq summary { cursor: pointer; list-style: none; padding: 1.05rem 0; font-family: var(--font-display); font-weight: 700; color: var(--moss); display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.ze-faq summary::-webkit-details-marker { display: none; }
.ze-faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--amber); font-size: 1.2rem; flex-shrink: 0; transition: transform .2s; }
.ze-faq[open] summary::after { transform: rotate(45deg); }
.ze-faq p { color: var(--mute); margin: 0 0 1.1rem; font-size: .95rem; }

/* CTA */
.ze-cta { background: var(--amber); color: #fff; position: relative; overflow: hidden; }
.ze-cta::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(0deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 48px 48px; }
.ze-cta__in { position: relative; max-width: var(--container); margin: 0 auto; padding: clamp(3rem, 6vw, 4.5rem) var(--gutter); display: grid; gap: 1.6rem; align-items: center; }
@media (min-width: 900px) { .ze-cta__in { grid-template-columns: 1.4fr 1fr; } }
.ze-cta .ze-kicker { color: #fff; } .ze-cta .ze-kicker::before { background: #fff; }
.ze-cta h2 { color: #fff; margin-bottom: .5rem; }
.ze-cta p { color: rgba(255,255,255,.85); margin: 0; max-width: 34rem; }
.ze-cta__actions { display: flex; flex-wrap: wrap; gap: .8rem; }
@media (min-width: 900px) { .ze-cta__actions { justify-content: flex-end; } }
.ze-cta__phone { display: inline-flex; align-items: center; gap: .6rem; color: #fff; font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.ze-cta__phone i { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.16); display: flex; align-items: center; justify-content: center; }
.ze-cta .ze-btn--dark { background: var(--moss); }

/* Footer */
.ze-footer { background: var(--moss); color: rgba(255,255,255,.72); padding: 3.5rem 0 0; }
.ze-footer__grid { display: grid; gap: 2rem; }
@media (min-width: 900px) { .ze-footer__grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; } }
.ze-footer h4 { color: #fff; font-size: .76rem; font-family: var(--font-mono); font-weight: 500; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 1rem; }
.ze-footer h4::before { content: ""; display: inline-block; width: 10px; height: 10px; background: var(--amber); margin-right: .6rem; vertical-align: middle; }
.ze-footer a { color: rgba(255,255,255,.72); } .ze-footer a:hover { color: #fff; }
.ze-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; font-size: .92rem; }
.ze-footer__brand { display: flex; align-items: center; gap: .8rem; color: #fff; margin-bottom: 1rem; }
.ze-footer__brand svg { width: 46px; height: 46px; }
.ze-footer__brand b { font-family: var(--font-display); font-size: 1.15rem; letter-spacing: .06em; display: block; }
.ze-footer__brand small { font-family: var(--font-mono); font-size: .6rem; letter-spacing: .16em; text-transform: uppercase; opacity: .7; }
.ze-footer__about { font-size: .9rem; line-height: 1.7; max-width: 26rem; }
.ze-footer__social { display: flex; gap: .5rem; margin-top: 1.2rem; }
.ze-footer__social a { width: 38px; height: 38px; border-radius: var(--r-sm); border: 1px solid rgba(255,255,255,.18); display: flex; align-items: center; justify-content: center; color: #fff; }
.ze-footer__social a:hover { background: var(--amber); border-color: var(--amber); }
.ze-footer__contact li { display: flex; gap: .7rem; align-items: flex-start; }
.ze-footer__contact i { color: var(--amber); margin-top: .25rem; width: 16px; text-align: center; }
.ze-footer__bottom { margin-top: 3rem; border-top: 1px solid rgba(255,255,255,.1); padding: 1.2rem 0; font-family: var(--font-mono); font-size: .66rem; letter-spacing: .05em; display: flex; flex-wrap: wrap; gap: .6rem 1.5rem; justify-content: space-between; color: rgba(255,255,255,.5); }

/* Alt sayfa başlığı */
.ze-page-hero { background-color: var(--sand); background-image: var(--grid); background-size: 48px 48px; border-bottom: 1px solid var(--line); }
.ze-page-hero__in { max-width: var(--container); margin: 0 auto; padding: clamp(2.5rem, 5vw, 4.5rem) var(--gutter); display: grid; gap: 2rem; align-items: end; }
@media (min-width: 900px) { .ze-page-hero__in { grid-template-columns: 1.3fr 1fr; } }
.ze-crumbs { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--mute); margin-bottom: 1rem; display: flex; flex-wrap: wrap; gap: .5rem; }
.ze-crumbs a { color: var(--moss); }
.ze-crumbs span::before { content: "/"; margin-right: .5rem; color: var(--amber); }
.ze-page-hero p { color: var(--mute); max-width: 38rem; font-size: 1.05rem; margin: 0; }
.ze-page-hero img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--r-lg); box-shadow: var(--shadow); }
.ze-anchor-nav { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.4rem; }
.ze-anchor-nav a { border: 1px solid var(--clay); color: var(--moss); border-radius: 999px; padding: .4rem .85rem; font-size: .82rem; font-weight: 600; background: #fff; }
.ze-anchor-nav a:hover { border-color: var(--amber); color: var(--amber-600); }

/* İletişim */
.ze-contact { display: grid; gap: 1.5rem; }
@media (min-width: 992px) { .ze-contact { grid-template-columns: 1.5fr 1fr; align-items: start; } }
.ze-form { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(1.4rem, 3vw, 2.2rem); box-shadow: var(--shadow-sm); }
.ze-form__row { display: grid; gap: 1rem; }
@media (min-width: 600px) { .ze-form__row { grid-template-columns: 1fr 1fr; } }
.ze-field { display: grid; gap: .35rem; margin-bottom: 1rem; }
.ze-field label { font-size: .82rem; font-weight: 600; color: var(--moss); }
.ze-field input, .ze-field select, .ze-field textarea { width: 100%; font: inherit; font-size: .95rem; padding: .75rem .9rem; border: 1px solid var(--line); border-radius: var(--r-sm); background: #fff; color: var(--ink); transition: border-color .2s, box-shadow .2s; }
.ze-field input:focus, .ze-field select:focus, .ze-field textarea:focus { outline: 0; border-color: var(--amber); box-shadow: 0 0 0 3px rgba(217,140,31,.15); }
.ze-field textarea { min-height: 140px; resize: vertical; }
.ze-form__foot { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; margin-top: .4rem; }
.ze-check { display: flex; gap: .5rem; align-items: flex-start; font-size: .84rem; color: var(--mute); }
.ze-check input { margin-top: .25rem; accent-color: var(--amber); }
.ze-form__result { display: none; margin-top: 1rem; padding: .85rem 1rem; border-radius: var(--r-sm); font-size: .92rem; font-weight: 500; }
.ze-form__result.is-success { display: block; background: #e5f3ea; color: #1f5a37; }
.ze-form__result.is-error { display: block; background: #fdecec; color: #9f1d1d; }
.ze-info { display: grid; gap: 1rem; }
.ze-info__card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.4rem 1.5rem; }
.ze-info__card h3 { font-size: .76rem; font-family: var(--font-mono); font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--mute); margin-bottom: 1rem; }
.ze-info__card ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .8rem; }
.ze-info__card li { display: flex; gap: .8rem; align-items: flex-start; }
.ze-info__card li i { width: 36px; height: 36px; border-radius: var(--r-sm); background: var(--sand); color: var(--amber-600); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.ze-info__card b { display: block; color: var(--moss); font-size: .95rem; }
.ze-info__card span { font-size: .84rem; color: var(--mute); }
.ze-map { border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line); }
.ze-map iframe { width: 100%; height: 320px; border: 0; display: block; }

/* Bildirim, WhatsApp, reveal, 404 */
.ze-toast { position: fixed; top: 5.5rem; right: 1rem; z-index: 300; max-width: min(28rem, calc(100vw - 2rem)); display: flex; gap: .7rem; align-items: flex-start; padding: .9rem 1rem; border-radius: var(--r); color: #fff; box-shadow: var(--shadow-lg); font-size: .92rem; font-weight: 500; transition: transform .3s var(--ease), opacity .3s; }
.ze-toast.is-hidden { transform: translateX(calc(100% + 1.5rem)); opacity: 0; }
.ze-toast--success { background: #1f7a4a; } .ze-toast--error { background: #c62828; }
.ze-toast button { margin-left: auto; background: none; border: 0; color: #fff; opacity: .8; cursor: pointer; }
.ze-wa { position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 150; width: 54px; height: 54px; border-radius: 50%; background: #25d366; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; box-shadow: 0 10px 24px -8px rgba(37,211,102,.8); }
.ze-wa:hover { color: #fff; transform: scale(1.06); }
html.ze-js [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
html.ze-js [data-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html.ze-js [data-reveal] { opacity: 1; transform: none; transition: none; } }
.ze-404 { min-height: 70vh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 4rem var(--gutter); background: var(--sand); }
.ze-404 b { font-family: var(--font-mono); font-size: 5rem; color: var(--amber); display: block; line-height: 1; }

/* Mobil ince ayarlar */
@media (max-width: 767px) {
  .ze-topbar__meta span { display: none; }
  .ze-topbar__meta { gap: .9rem; }
  .ze-project__specs { gap: .5rem; }
  .ze-project__specs b { font-size: .92rem; }
  .ze-project__specs span { font-size: .56rem; }
}

/* ===== zeminetudu.com'a özgü bileşenler ===== */
/* Fotoğraflı tam genişlik hero: sol hizalı metin, yeşil ton kaplaması */
.ze-hero--photo { background: var(--moss-900); color: #fff; position: relative; min-height: min(88vh, 760px); display: flex; align-items: center; }
.ze-hero--photo .ze-hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
.ze-hero--photo .ze-hero__shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,40,31,.92) 0%, rgba(15,40,31,.72) 45%, rgba(15,40,31,.25) 100%); }
.ze-hero--photo .ze-hero__in { position: relative; display: block; min-height: 0; padding: clamp(3.5rem, 8vw, 6.5rem) var(--gutter); }
.ze-hero--photo .ze-hero__copy { max-width: 40rem; }
.ze-hero--photo h1 { color: #fff; font-size: clamp(2.1rem, 1.3rem + 2.8vw, 3.7rem); }
.ze-hero--photo h1 em { color: var(--amber); font-style: normal; }
.ze-hero--photo .ze-hero__copy p { color: rgba(255,255,255,.82); }
.ze-hero--photo .ze-kicker { color: #f3cf8a; } .ze-hero--photo .ze-kicker::before { background: var(--amber); }
.ze-hero--photo .ze-hero__trust { border-top-color: rgba(255,255,255,.2); color: rgba(255,255,255,.75); }
.ze-hero--photo .ze-hero__trust b { color: #fff; }
.ze-hero--photo .ze-btn--outline { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.4); color: #fff; }
.ze-hero--photo .ze-btn--outline:hover { background: rgba(255,255,255,.16); border-color: #fff; }
.ze-hero__scroll { position: absolute; right: var(--gutter); bottom: 1.4rem; font-family: var(--font-mono); font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; color: rgba(255,255,255,.65); display: none; align-items: center; gap: .6rem; }
.ze-hero__scroll::after { content: ""; width: 1px; height: 38px; background: linear-gradient(180deg, var(--amber), transparent); }
@media (min-width: 900px) { .ze-hero__scroll { display: flex; } }
/* Sondaj logu: sol kenarda katman çizgileri */
.ze-log { border-left: 3px solid var(--amber); padding-left: 1.2rem; }
/* Referans logoları */
.ze-logos { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; }
@media (min-width: 600px) { .ze-logos { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1024px) { .ze-logos { grid-template-columns: repeat(8, 1fr); } }
.ze-logos div { background: #fff; border: 1px solid var(--line); border-radius: var(--r); height: 86px; display: flex; align-items: center; justify-content: center; padding: .9rem; transition: box-shadow .25s, transform .25s var(--ease); }
.ze-logos div:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.ze-logos img { max-height: 100%; max-width: 100%; object-fit: contain; filter: grayscale(1); opacity: .75; transition: filter .25s, opacity .25s; }
.ze-logos div:hover img { filter: none; opacity: 1; }
/* Yöntem kartları (SPT, CPT, presiyometre…) */
.ze-method { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; display: flex; flex-direction: column; }
.ze-method img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--sand); }
.ze-method__body { padding: 1.2rem 1.3rem 1.4rem; }
.ze-method h3 { font-size: 1.02rem; margin-bottom: .4rem; }
.ze-method p { color: var(--mute); font-size: .88rem; margin: 0; }
.ze-method__tag { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .14em; text-transform: uppercase; color: var(--amber-600); display: block; margin-bottom: .4rem; }
/* Blog kartları ve makale düzeni */
.ze-posts { display: grid; gap: 1.3rem; }
@media (min-width: 700px) { .ze-posts { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .ze-posts { grid-template-columns: repeat(3, 1fr); } }
.ze-post { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; display: flex; flex-direction: column; color: var(--ink); transition: transform .25s var(--ease), box-shadow .25s; }
.ze-post:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.ze-post img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.ze-post__body { padding: 1.2rem 1.3rem 1.4rem; display: flex; flex-direction: column; flex: 1; }
.ze-post__meta { font-family: var(--font-mono); font-size: .64rem; letter-spacing: .12em; text-transform: uppercase; color: var(--mute-2); margin-bottom: .6rem; display: flex; gap: .8rem; flex-wrap: wrap; }
.ze-post h3 { font-size: 1.08rem; margin-bottom: .5rem; }
.ze-post p { color: var(--mute); font-size: .9rem; margin-bottom: .9rem; }
.ze-post .ze-btn--link { margin-top: auto; }
.ze-post--wide { grid-column: 1 / -1; }
@media (min-width: 900px) { .ze-post--wide { display: grid; grid-template-columns: 1.2fr 1fr; } .ze-post--wide img { aspect-ratio: auto; height: 100%; } }
.ze-article { display: grid; gap: 2.5rem; }
@media (min-width: 992px) { .ze-article { grid-template-columns: minmax(0, 1fr) 300px; align-items: start; } }
.ze-prose { max-width: 46rem; font-size: 1.02rem; line-height: 1.8; }
.ze-prose h2 { font-size: clamp(1.35rem, 1.1rem + 1vw, 1.8rem); margin: 2.2rem 0 .7rem; }
.ze-prose h3 { font-size: 1.12rem; margin: 1.6rem 0 .5rem; }
.ze-prose p, .ze-prose li { color: #2f3833; }
.ze-prose ul, .ze-prose ol { padding-left: 1.3rem; margin: 0 0 1.2rem; }
.ze-prose li { margin-bottom: .35rem; } .ze-prose li::marker { color: var(--amber); }
.ze-prose img { border-radius: var(--r); margin: 1.4rem 0; box-shadow: var(--shadow-sm); }
.ze-prose figure { margin: 1.4rem 0; } .ze-prose figcaption { font-family: var(--font-mono); font-size: .66rem; color: var(--mute-2); margin-top: .5rem; }
.ze-prose .ze-note { margin: 1.4rem 0; }
.ze-prose table { width: 100%; border-collapse: collapse; font-size: .92rem; margin: 1.2rem 0; }
.ze-prose th, .ze-prose td { border: 1px solid var(--line); padding: .6rem .8rem; text-align: left; vertical-align: top; }
.ze-prose th { background: var(--sand); font-family: var(--font-display); font-weight: 700; }
.ze-aside { position: sticky; top: 6rem; display: grid; gap: 1rem; }
.ze-aside .ze-info__card ul { gap: .55rem; }
.ze-aside .ze-info__card li { display: block; }
.ze-aside .ze-info__card li a { color: var(--moss); font-weight: 600; font-size: .92rem; }
.ze-aside .ze-info__card li a:hover { color: var(--amber-600); }
.ze-article__meta { display: flex; flex-wrap: wrap; gap: .9rem; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--mute); margin-top: 1rem; }
.ze-article__meta i { color: var(--amber); margin-right: .35rem; }
/* Alt sayfa hero için koyu varyant (fotoğraflı) */
.ze-page-hero--photo { position: relative; background: var(--moss-900); border-bottom: 0; color: #fff; }
.ze-page-hero--photo .ze-page-hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .38; }
.ze-page-hero--photo .ze-page-hero__in { position: relative; grid-template-columns: 1fr; padding-top: clamp(3rem, 6vw, 5rem); padding-bottom: clamp(3rem, 6vw, 5rem); }
.ze-page-hero--photo h1, .ze-page-hero--photo .ze-crumbs a { color: #fff; }
.ze-page-hero--photo p { color: rgba(255,255,255,.82); }
.ze-page-hero--photo .ze-crumbs { color: rgba(255,255,255,.7); }
.ze-page-hero--photo .ze-anchor-nav a { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.35); color: #fff; }
.ze-page-hero--photo .ze-anchor-nav a:hover { background: var(--amber); border-color: var(--amber); color: #fff; }
/* Sayı vurgulu özellik listesi */
.ze-facts { display: grid; gap: 1rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 900px) { .ze-facts { grid-template-columns: repeat(4, 1fr); } }
.ze-fact { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 1.1rem 1.2rem; }
.ze-fact b { display: block; font-family: var(--font-display); font-size: 1.6rem; color: var(--moss); letter-spacing: -.02em; }
.ze-fact span { font-size: .84rem; color: var(--mute); }
/* Hizmet listesi kenar çubuğu */
.ze-sidenav { list-style: none; margin: 0; padding: 0; display: grid; gap: .3rem; }
.ze-sidenav a { display: flex; justify-content: space-between; align-items: center; padding: .7rem .9rem; border-radius: var(--r-sm); color: var(--moss); font-weight: 600; font-size: .92rem; }
.ze-sidenav a:hover, .ze-sidenav a.is-current { background: var(--sand); color: var(--amber-600); }
.ze-section--moss { background: var(--moss); color: rgba(255,255,255,.82); }
.ze-section--moss h2, .ze-section--moss h3 { color: #fff; }
.ze-section--moss .ze-kicker { color: #f3cf8a; }
.ze-section--moss .ze-head p { color: rgba(255,255,255,.72); }