/* SER Harita Mühendislik — site stilleri */
@font-face { font-family: "Archivo"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("../fonts/archivo-latin-600-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Archivo"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("../fonts/archivo-latin-ext-600-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Archivo"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("../fonts/archivo-latin-700-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Archivo"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("../fonts/archivo-latin-ext-700-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Source Sans 3"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/source-sans-3-latin-400-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Source Sans 3"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/source-sans-3-latin-ext-400-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Source Sans 3"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("../fonts/source-sans-3-latin-600-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "Source Sans 3"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("../fonts/source-sans-3-latin-ext-600-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/ibm-plex-mono-latin-ext-400-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("../fonts/ibm-plex-mono-latin-ext-500-normal.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
/* ---------- Tasarım değişkenleri ---------- */
:root {
  --navy: #0E1B33;
  --navy-2: #16274A;
  --navy-line: #2A3D63;
  --brand: #2F4F8F;          /* logodaki mavi (koyulaştırılmış) */
  --brand-soft: #E8EEF8;
  --accent: #F2B705;         /* ölçüm aleti sarısı */
  --accent-hover: #FFC928;
  --accent-ink: #7A5A00;
  --ink: #142033;
  --muted: #59657A;
  --muted-light: #C5CEDD;
  --line: #E1E6EE;
  --bg: #FFFFFF;
  --bg-alt: #F4F6F9;
  --radius: 6px;
  --container: 1200px;
  --font-head: "Archivo", "Segoe UI", Arial, sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-body); font-size: 18px; line-height: 1.6; color: var(--ink); background: var(--bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.4rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0 0 1em; }
.mono { font-family: var(--font-mono); font-size: .8rem; letter-spacing: .04em; text-transform: uppercase; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: #fff; padding: 8px 12px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.ic { flex: none; }

/* ---------- Düğmeler ---------- */
.btn { display: inline-flex; align-items: center; gap: .5em; padding: .7em 1.2em; border-radius: var(--radius); font-family: var(--font-head); font-weight: 600; font-size: 1rem; text-decoration: none; border: 2px solid transparent; transition: background .15s, color .15s, border-color .15s; white-space: nowrap; }
.btn-lg { padding: .85em 1.5em; font-size: 1.05rem; }
.btn-accent { background: var(--accent); color: var(--navy); }
.btn-accent:hover { background: var(--accent-hover); }
.btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.link-arrow { display: inline-flex; align-items: center; gap: .4em; font-family: var(--font-head); font-weight: 600; text-decoration: none; color: var(--brand); }
.link-arrow:hover .ic { transform: translateX(3px); }
.link-arrow .ic { transition: transform .15s; }

/* ---------- Üst menü ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--brand); }
.brand img { width: 74px; height: auto; }
.brand-text { white-space: nowrap; font-family: var(--font-head); font-weight: 700; font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; line-height: 1.2; padding-left: 12px; border-left: 2px solid var(--accent); }
.brand-footer { color: #fff; margin-bottom: 20px; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav ul { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.main-nav ul a { font-family: var(--font-head); font-weight: 600; font-size: .98rem; color: var(--ink); text-decoration: none; padding: 6px 0; border-bottom: 2px solid transparent; }
.main-nav ul a:hover, .main-nav ul a[aria-current="page"] { border-bottom-color: var(--accent); }
.nav-cta { font-size: .95rem; padding: .55em 1em; }
.nav-toggle { display: none; background: none; border: 0; color: var(--ink); padding: 8px; cursor: pointer; }
.nav-toggle .when-open { display: none; }

/* ---------- Hero ---------- */
.hero { position: relative; color: #fff; background: var(--navy); overflow: hidden; isolation: isolate; }
.hero-media { position: absolute; inset: 0; background-size: cover; background-position: center 40%; z-index: -2; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(14,27,51,.94) 0%, rgba(14,27,51,.82) 42%, rgba(14,27,51,.35) 100%); }
.hero-contours { position: absolute; inset: 0; z-index: -1; background: url("../img/kontur.svg") center / cover no-repeat; opacity: .12; pointer-events: none; }
.hero-inner { padding: 120px 24px 72px; max-width: var(--container); }
.hero h1 { font-size: clamp(2.3rem, 5.2vw, 4.1rem); font-weight: 700; max-width: 14em; margin-bottom: .4em; }
.hero h1 span { color: var(--accent); }
.hero .lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); max-width: 36em; color: #DCE3EE; margin-bottom: 2em; }
.eyebrow { display: inline-flex; align-items: center; gap: .6em; color: var(--accent); margin-bottom: 1.5em; }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(242,183,5,.25); }
.actions { display: flex; flex-wrap: wrap; gap: 14px; }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; border-top: 1px solid rgba(255,255,255,.2); }
.facts > div { padding: 22px 20px 30px 0; }
.facts > div + div { padding-left: 20px; border-left: 1px solid rgba(255,255,255,.2); }
.facts dt { color: var(--accent); margin-bottom: 4px; }
.facts dd { margin: 0; font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; }

/* ---------- Bölümler ---------- */
.section { padding: 96px 0; position: relative; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 46em; margin-bottom: 48px; }
.section-head p:last-child { color: var(--muted); font-size: 1.1rem; margin: 0; }
.section-head-row { max-width: none; display: flex; justify-content: space-between; align-items: end; gap: 24px; }
.section-head-row h2 { margin: 0; }
.kicker { color: var(--accent-ink); margin-bottom: .8em; }

/* Hizmetler */
.service-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.service a { display: flex; flex-direction: column; height: 100%; padding: 32px 30px; color: inherit; text-decoration: none; transition: background .15s; }
.service a:hover { background: var(--bg-alt); }
.service-top { display: flex; justify-content: space-between; align-items: start; margin-bottom: 26px; }
.service-icon { display: grid; place-items: center; width: 54px; height: 54px; border-radius: var(--radius); background: var(--brand-soft); color: var(--brand); }
.service a:hover .service-icon { background: var(--accent); color: var(--navy); }
.service-no { color: var(--muted); }
.service p { color: var(--muted); flex: 1; }
.more { display: inline-flex; align-items: center; gap: .4em; font-family: var(--font-head); font-weight: 600; font-size: .95rem; color: var(--brand); }

/* Biz kimiz */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split-media { margin: 0; position: relative; }
.split-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); }
.split-media figcaption { position: absolute; left: 16px; bottom: 16px; background: var(--navy); color: #fff; padding: 6px 10px; border-radius: 4px; }
.split-media::before { content: ""; position: absolute; inset: -14px 14px 14px -14px; border: 2px solid var(--accent); border-radius: var(--radius); z-index: -1; }
.split-text > p { color: var(--muted); font-size: 1.08rem; }
.checks { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 12px; }
.checks li { display: flex; gap: 12px; align-items: start; }
.checks .ic { color: var(--brand); margin-top: 3px; }

/* Projeler */
.project-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.project { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.project img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.project-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.project-body p { color: var(--muted); font-size: 1rem; flex: 1; }
.tag { align-self: start; background: var(--brand-soft); color: var(--brand); padding: 3px 8px; border-radius: 3px; margin-bottom: 12px; font-size: .72rem; }
.place { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: .72rem; }

/* Ekipman */
.section-dark { background: var(--navy); color: #fff; overflow: hidden; isolation: isolate; }
.section-dark .kicker { color: var(--accent); }
.equipment { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; border-top: 1px solid var(--navy-line); }
.equip { padding: 28px 24px 8px 0; }
.equip + .equip { padding-left: 24px; border-left: 1px solid var(--navy-line); }
.equip dt { color: var(--accent); margin-bottom: 10px; }
.equip dd { margin: 0; display: grid; gap: 6px; }
.equip strong { font-family: var(--font-head); font-size: 1.3rem; font-weight: 600; }
.equip span { color: var(--muted-light); font-size: 1rem; }

/* Referanslar */
.ref-list { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.ref-list li { display: grid; grid-template-columns: 1.1fr 2fr 1fr; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.ref-client { font-family: var(--font-head); font-weight: 600; }
.ref-work { color: var(--muted); }
.ref-place { color: var(--muted); text-align: right; font-size: .75rem; }

/* CTA */
.cta { background: var(--accent); padding: 64px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.cta h2 { margin-bottom: .3em; color: var(--navy); }
.cta p { margin: 0; color: #3D3000; font-size: 1.1rem; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cta .btn-accent { background: var(--navy); color: #fff; }
.cta .btn-accent:hover { background: var(--navy-2); }
.cta .btn-ghost { border-color: var(--navy); color: var(--navy); }
.cta .btn-ghost:hover { background: rgba(14,27,51,.08); }

/* ---------- Alt bilgi ---------- */
.site-footer { background: var(--navy); color: var(--muted-light); padding: 72px 0 0; font-size: 1rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.3fr 1.5fr; gap: 40px; padding-bottom: 56px; }
.footer-title { font-family: var(--font-mono); font-size: .78rem; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); margin-bottom: 18px; }
.footer-links, .footer-contact { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { color: var(--accent); }
.footer-contact li { display: flex; gap: 10px; align-items: start; }
.footer-contact .ic { color: var(--accent); margin-top: 3px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; padding-top: 22px; padding-bottom: 22px; border-top: 1px solid var(--navy-line); font-size: .9rem; }

/* ---------- Ek düğmeler ---------- */
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: #26427A; }
.btn-outline { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-outline:hover { border-color: var(--brand); color: var(--brand); }
.btn-block { width: 100%; justify-content: center; }
.h3 { font-size: 1.2rem; font-weight: 600; }

/* ---------- Sayfa başlığı ---------- */
.page-head { position: relative; background: var(--navy); color: #fff; padding: 72px 0 64px; overflow: hidden; isolation: isolate; }
.page-head-image { padding: 96px 0 80px; }
.page-head h1 { font-size: clamp(2.1rem, 4.4vw, 3.3rem); font-weight: 700; margin-bottom: .35em; }
.page-head .lead { font-size: clamp(1.05rem, 1.5vw, 1.2rem); color: #DCE3EE; max-width: 40em; margin: 0; }
.crumbs { display: flex; gap: 10px; color: var(--accent); margin-bottom: 18px; }
.crumbs a { color: #fff; text-decoration: none; }
.crumbs a:hover { color: var(--accent); }

/* ---------- Hakkımızda ---------- */
.split-top { align-items: start; }
.split-top .split-text > p { color: var(--ink); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: s; }
.steps li { background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--accent); border-radius: var(--radius); padding: 26px 24px; }
.step-no { color: var(--accent-ink); display: block; margin-bottom: 14px; }
.steps p { color: var(--muted); margin: 0; font-size: 1rem; }
.company-card { display: grid; grid-template-columns: repeat(2, 1fr); margin: 0; border-top: 2px solid var(--ink); }
.company-card > div { padding: 20px 24px 20px 0; border-bottom: 1px solid var(--line); }
.company-card dt { color: var(--muted); margin-bottom: 4px; }
.company-card dd { margin: 0; font-family: var(--font-head); font-weight: 600; }

/* ---------- Hizmetler ---------- */
.service-index { position: sticky; top: 76px; z-index: 40; background: #fff; border-bottom: 1px solid var(--line); }
.service-index ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; justify-content: space-between; overflow-x: auto; scrollbar-width: none; }
.service-index ul::-webkit-scrollbar { display: none; }
.service-index a { display: inline-flex; gap: 7px; align-items: center; white-space: nowrap; padding: 16px 4px; font-family: var(--font-head); font-weight: 600; font-size: .9rem; color: var(--ink); text-decoration: none; border-bottom: 2px solid transparent; }
.service-index a:hover { border-bottom-color: var(--accent); }
.service-index .mono { color: var(--accent-ink); font-size: .72rem; }
.service-detail { padding: 80px 0; scroll-margin-top: 140px; }
.service-detail-alt { background: var(--bg-alt); }
.service-detail-inner { display: grid; grid-template-columns: 220px 1fr; gap: 48px; }
.service-detail-head { display: flex; flex-direction: column; gap: 20px; }
.service-no-lg { font-size: 3.2rem; letter-spacing: 0; color: var(--line); font-weight: 500; line-height: 1; }
.service-detail-alt .service-no-lg { color: #D3DAE5; }
.service-icon-lg { width: 72px; height: 72px; }
.service-detail-body { max-width: 760px; }
.service-lead { font-size: 1.12rem; color: var(--muted); }
.checks-grid { grid-template-columns: 1fr 1fr; gap: 12px 28px; margin: 24px 0 30px; }

/* ---------- Projeler ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.filter { font: 600 .95rem var(--font-head); padding: .55em 1.1em; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer; }
.filter:hover { border-color: var(--brand); }
.filter.is-active { background: var(--navy); border-color: var(--navy); color: #fff; }
.project[hidden] { display: none; }
.project-zoom { display: block; overflow: hidden; cursor: zoom-in; }
.project-zoom img { transition: transform .3s; }
.project-zoom:hover img { transform: scale(1.04); }
.lightbox { border: 0; padding: 0; background: transparent; max-width: min(1200px, 94vw); max-height: 94vh; overflow: visible; }
.lightbox::backdrop { background: rgba(8,14,28,.88); }
.lightbox figure { margin: 0; }
.lightbox img { max-height: 82vh; width: auto; max-width: 100%; margin: 0 auto; border-radius: 4px; }
.lightbox figcaption { color: #fff; text-align: center; padding: 12px 8px 0; }
.lightbox-close { position: absolute; top: -48px; right: 0; background: none; border: 0; color: #fff; cursor: pointer; padding: 6px; }

/* ---------- İletişim ---------- */
.contact-layout { display: grid; grid-template-columns: 1.6fr 1fr; gap: 56px; align-items: start; }
.contact-form, .contact-direct { scroll-margin-top: 100px; }
.contact-form h2, .contact-aside h2, .contact-direct h2 { font-size: 1.6rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-weight: 600; margin-bottom: 6px; }
.field input[type=text], .field input[type=email], .field input[type=tel], .field select, .field textarea { width: 100%; font: inherit; font-size: 1rem; padding: 12px 14px; border: 1px solid #C9D1DD; border-radius: var(--radius); background: #fff; color: var(--ink); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(47,79,143,.18); }
.field textarea { resize: vertical; min-height: 150px; }
.field-check { display: flex; gap: 12px; align-items: start; }
.field-check input { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--brand); flex: none; }
.field-check label { font-weight: 400; margin: 0; }
.req { color: #B42318; }
.opt { color: var(--muted); font-weight: 400; }
.hint { color: var(--muted); font-size: .92rem; margin: 6px 0 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.alert { display: flex; gap: 10px; align-items: start; padding: 14px 16px; border-radius: var(--radius); margin-bottom: 20px; }
.alert-ok { background: #ECFDF3; color: #05603A; border: 1px solid #ABEFC6; }
.alert-err { background: #FEF3F2; color: #B42318; border: 1px solid #FECDCA; }
.contact-direct p { color: var(--muted); font-size: 1.1rem; }
.direct-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.contact-aside { background: var(--bg-alt); border-radius: var(--radius); padding: 30px 28px; border-top: 3px solid var(--accent); }
.info-list { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 20px; }
.info-list li { display: flex; gap: 14px; }
.info-list .ic { color: var(--brand); margin-top: 2px; }
.info-list div { display: flex; flex-direction: column; }
.info-label { color: var(--muted); font-size: .72rem; margin-bottom: 2px; }
.info-list address { font-style: normal; }
.info-list a { color: var(--ink); text-decoration: none; font-weight: 600; }
.info-list a:hover { color: var(--brand); }
.map-section iframe { display: block; width: 100%; height: 440px; border: 0; filter: saturate(.85); }

/* ---------- KVKK ---------- */
.prose { max-width: 820px; }
.prose h2 { font-size: 1.35rem; margin-top: 1.8em; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: #2E3A4E; }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: .35em; }

/* ---------- Hata sayfası ---------- */
.error-page { position: relative; background: var(--navy); color: #fff; padding: 120px 0; overflow: hidden; isolation: isolate; min-height: 60vh; }
.error-code { font-size: 1rem; color: var(--accent); }
.error-page h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
.error-page .lead { color: #DCE3EE; font-size: 1.15rem; margin-bottom: 2em; }

/* ---------- Duyarlı (tablet / telefon) ---------- */
@media (max-width: 1080px) {
  .main-nav ul { gap: 18px; }
  .nav-cta { display: none; }
  .service-grid, .project-grid { grid-template-columns: repeat(2, 1fr); }
  .facts, .equipment { grid-template-columns: repeat(2, 1fr); }
  .facts > div:nth-child(3), .equip:nth-child(3) { padding-left: 0; border-left: 0; }
  .facts > div:nth-child(n+3), .equip:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.2); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .service-detail-inner { grid-template-columns: 140px 1fr; gap: 32px; }
}
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .main-nav { display: none; position: absolute; top: 76px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 0; padding: 8px 24px 24px; box-shadow: 0 12px 24px rgba(14,27,51,.08); }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav ul a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .main-nav ul a[aria-current="page"] { border-bottom-color: var(--line); color: var(--brand); }
  .nav-cta { display: inline-flex; justify-content: center; margin-top: 18px; }
  .site-header.open .main-nav { display: flex; }
  .site-header.open .when-open { display: inline; }
  .site-header.open .when-closed { display: none; }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .split-media { margin: 0 14px 0 14px; }
  .ref-list li { grid-template-columns: 1fr; gap: 2px; }
  .ref-place { text-align: left; }
  .cta-inner { flex-direction: column; align-items: start; }
  .service-index { top: 76px; }
  .service-detail-inner { grid-template-columns: 1fr; gap: 20px; }
  .service-detail-head { flex-direction: row; align-items: center; justify-content: space-between; }
  .service-no-lg { order: 2; font-size: 2.4rem; }
}
@media (max-width: 640px) {
  body { font-size: 17px; }
  .container { padding: 0 16px; }
  .header-inner { height: 64px; }
  .main-nav { top: 64px; padding: 8px 16px 20px; }
  .brand img { width: 62px; }
  .brand-text { font-size: .74rem; }
  .hero-inner { padding: 72px 16px 48px; }
  .hero-media::after { background: linear-gradient(180deg, rgba(14,27,51,.88), rgba(14,27,51,.93)); }
  .actions .btn { flex: 1 1 100%; justify-content: center; }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 32px; }
  .section-head-row { flex-direction: column; align-items: start; }
  .service-grid, .project-grid { grid-template-columns: 1fr; }
  .service a { padding: 26px 20px; }
  .facts, .equipment { grid-template-columns: 1fr; }
  .facts > div, .facts > div + div, .equip, .equip + .equip { padding: 16px 0; border-left: 0; }
  .facts > div + div, .equip + .equip { border-top: 1px solid rgba(255,255,255,.2); }
  .cta-actions, .cta-actions .btn { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; }
  .service-index { top: 64px; }
  .service-detail { padding: 56px 0; scroll-margin-top: 120px; }
  .checks-grid, .steps, .form-row, .company-card { grid-template-columns: 1fr; }
  .form-row { gap: 0; }
  .page-head, .page-head-image { padding: 56px 0 48px; }
  .contact-aside { padding: 24px 20px; }
  .direct-actions .btn, .form-foot .btn { width: 100%; justify-content: center; }
  .map-section iframe { height: 340px; }
  .error-page { padding: 80px 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }