:root {
    --ink: #161816;
    --ink-soft: #252824;
    --paper: #f4efe4;
    --paper-deep: #e8e0d1;
    --white: #fffdf7;
    --amber: #f1a900;
    --amber-dark: #c98700;
    --green: #2f8f5b;
    --muted: #6f746e;
    --line: rgba(22, 24, 22, 0.16);
    --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 1000; background: var(--amber); padding: 10px 14px; color: var(--ink); }
.skip-link:focus { top: 12px; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--ink);
    border-bottom: 3px solid var(--amber);
}
.header-inner {
    width: min(var(--max), calc(100% - 40px));
    min-height: 78px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--white); text-decoration: none; line-height: 1.05; }
.brand-mark {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    background: var(--amber);
    color: var(--ink);
    font-weight: 900;
    letter-spacing: -0.06em;
    border: 2px solid var(--white);
}
.brand-copy { font-size: 1.12rem; font-weight: 800; letter-spacing: 0.01em; }
.brand-copy strong { color: var(--amber); }
.brand-copy small { display: block; margin-top: 5px; color: #b9bdb7; font-size: 0.65rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; }
.site-nav ul { display: flex; align-items: center; gap: 25px; margin: 0; padding: 0; list-style: none; }
.site-nav a { color: #f4f2eb; font-size: 0.93rem; font-weight: 700; text-decoration: none; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--amber); }
.nav-call { padding: 11px 15px; background: var(--amber); color: var(--ink) !important; border: 1px solid var(--amber); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 0; background: transparent; color: var(--white); border: 1px solid #5b5e59; font-size: 1.45rem; }
.hero {
    position: relative;
    background: var(--ink);
    color: var(--white);
    overflow: hidden;
}
.hero::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 9px; background: var(--amber); }
.hero-grid {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
    min-height: 610px;
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
    align-items: center;
    gap: 64px;
    padding: 70px 0;
}
.eyebrow { margin: 0 0 18px; color: var(--amber); font-size: 0.78rem; font-weight: 900; letter-spacing: 0.18em; text-transform: uppercase; }
.hero h1 { max-width: 760px; margin: 0; font-size: clamp(2.7rem, 5.5vw, 5rem); line-height: 0.98; letter-spacing: -0.055em; }
.hero h1 span { color: var(--amber); }
.hero-lead { max-width: 660px; margin: 26px 0 0; color: #c9ccc6; font-size: clamp(1.05rem, 1.6vw, 1.25rem); }
.hero-actions, .cta-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 12px 19px;
    border: 2px solid var(--amber);
    background: var(--amber);
    color: var(--ink);
    font-weight: 850;
    text-decoration: none;
    border-radius: 3px;
}
.btn:hover, .btn:focus-visible { background: var(--white); border-color: var(--white); }
.btn-outline { background: transparent; color: var(--white); border-color: #5f635d; }
.btn-outline:hover, .btn-outline:focus-visible { color: var(--ink); }
.hero-facts { display: flex; flex-wrap: wrap; gap: 18px 28px; margin: 30px 0 0; padding: 0; list-style: none; color: #d8dad5; font-size: 0.9rem; }
.hero-facts li::before { content: "■"; margin-right: 9px; color: var(--amber); font-size: 0.7em; }
.hero-visual { position: relative; padding: 0 18px 18px 0; }
.hero-visual::after { content: ""; position: absolute; right: 0; bottom: 0; width: 45%; height: 42%; background: var(--amber); z-index: 0; }
.hero-visual img { position: relative; z-index: 1; width: 100%; height: auto; border: 1px solid #5a5d58; }
.quote-tag { position: absolute; z-index: 2; left: -24px; bottom: 44px; max-width: 230px; padding: 15px 18px; background: var(--white); color: var(--ink); border-left: 5px solid var(--amber); font-weight: 850; line-height: 1.35; }
.proof-strip { background: var(--white); border-bottom: 1px solid var(--line); }
.proof-grid { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-item { min-height: 148px; display: grid; grid-template-columns: 50px 1fr; align-items: center; gap: 14px; padding: 25px; border-right: 1px solid var(--line); }
.proof-item:first-child { border-left: 1px solid var(--line); }
.proof-item img { width: 46px; height: 46px; object-fit: contain; }
.proof-item strong { display: block; font-size: 1rem; }
.proof-item span { display: block; margin-top: 4px; color: var(--muted); font-size: 0.82rem; line-height: 1.45; }
.section { padding: 88px 0; }
.section-dark { background: var(--ink-soft); color: var(--white); }
.section-white { background: var(--white); }
.section-inner { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section-heading { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items: end; margin-bottom: 42px; }
.section-heading h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.65rem); line-height: 1.05; letter-spacing: -0.04em; }
.section-heading h2 span { color: var(--amber); }
.section-heading p { margin: 0; color: var(--muted); font-size: 1.04rem; }
.section-dark .section-heading p { color: #bec2bb; }
.material-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.material-card { grid-column: span 2; background: var(--white); color: var(--ink); border-bottom: 5px solid var(--amber); }
.material-card:nth-child(4), .material-card:nth-child(5) { grid-column: span 3; }
.material-card img { width: 100%; height: auto; aspect-ratio: 694 / 469; object-fit: cover; }
.material-card-copy { padding: 21px 22px 24px; }
.material-card h3 { margin: 0 0 7px; font-size: 1.18rem; }
.material-card p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.not-accepted { margin-top: 24px; padding: 16px 18px; border-left: 5px solid var(--amber); background: #fff7df; color: #4e4531; }
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #4c504b; border-bottom: 1px solid #4c504b; }
.process-step { padding: 38px 34px; border-right: 1px solid #4c504b; }
.process-step:last-child { border-right: 0; }
.step-number { color: var(--amber); font-size: 2.6rem; font-weight: 950; line-height: 1; }
.process-step h3 { margin: 20px 0 9px; font-size: 1.25rem; }
.process-step p { margin: 0; color: #bfc2bc; }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 46px; align-items: start; }
.intro-copy { margin-bottom: 28px; }
.intro-copy h2 { margin: 0 0 15px; font-size: clamp(1.85rem, 3vw, 2.75rem); line-height: 1.1; }
.intro-copy p { margin: 0; color: var(--muted); }
.accordion-group { display: grid; gap: 10px; }
.scrap-accordion { margin: 0; background: var(--white); border: 1px solid var(--line); border-left: 4px solid var(--ink); }
.scrap-accordion[open] { border-left-color: var(--amber); }
.scrap-accordion summary { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 64px; padding: 17px 54px 17px 18px; cursor: pointer; list-style: none; font-size: 1.02rem; font-weight: 850; line-height: 1.35; }
.scrap-accordion summary::-webkit-details-marker { display: none; }
.scrap-accordion summary::after { content: "+"; position: absolute; right: 19px; top: 50%; transform: translateY(-50%); color: var(--amber-dark); font-size: 1.55rem; font-weight: 500; }
.scrap-accordion[open] summary::after { content: "–"; }
.accordion-body { padding: 2px 22px 23px; color: #454a45; }
.accordion-body > :first-child { margin-top: 0; }
.accordion-body > :last-child { margin-bottom: 0; }
.accordion-body h3 { margin: 24px 0 8px; color: var(--ink); font-size: 1.12rem; }
.accordion-body p { margin: 0 0 16px; }
.accordion-body ul, .accordion-body ol { padding-left: 24px; }
.contact-rail { position: sticky; top: 102px; padding: 27px; background: var(--ink); color: var(--white); border-top: 6px solid var(--amber); }
.contact-rail small { color: var(--amber); font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
.contact-rail h3 { margin: 12px 0; font-size: 1.6rem; line-height: 1.15; }
.contact-rail p { color: #c5c8c2; }
.contact-rail .btn { width: 100%; margin-top: 8px; }
.faq-grid { max-width: 900px; margin: 0 auto; }
.faq-grid .section-heading { grid-template-columns: 1fr; gap: 15px; text-align: center; }
.faq-grid .scrap-accordion { background: var(--paper); }
.page-hero { position: relative; padding: 78px 0 64px; background: var(--ink); color: var(--white); border-bottom: 6px solid var(--amber); }
.page-hero-inner { width: min(940px, calc(100% - 40px)); margin: 0 auto; }
.breadcrumbs { margin: 0 0 18px; color: #aeb2ab; font-size: 0.82rem; }
.breadcrumbs a { color: var(--amber); text-decoration: none; }
.page-hero h1 { max-width: 880px; margin: 0; font-size: clamp(2.35rem, 5vw, 4.5rem); line-height: 1.03; letter-spacing: -0.045em; }
.page-hero p { max-width: 760px; margin: 20px 0 0; color: #c7cac4; font-size: 1.08rem; }
.article-section { padding: 66px 0 94px; }
.article-shell { width: min(940px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) 245px; gap: 48px; align-items: start; }
.article-body { min-width: 0; font-size: 1.03rem; }
.article-body > :first-child { margin-top: 0; }
.article-body p { margin: 0 0 20px; color: #3f443f; }
.article-body h2 { margin: 42px 0 14px; padding-top: 4px; font-size: clamp(1.45rem, 3vw, 2rem); line-height: 1.2; letter-spacing: -0.02em; }
.article-body h3 { margin: 30px 0 10px; font-size: 1.25rem; }
.article-body ul, .article-body ol { margin: 0 0 24px; padding-left: 25px; }
.article-body li { margin: 8px 0; }
.article-body blockquote { margin: 28px 0; padding: 16px 22px; border-left: 5px solid var(--amber); background: var(--white); }
.article-side { position: sticky; top: 102px; }
.side-box { padding: 22px; background: var(--white); border-top: 5px solid var(--amber); }
.side-box h2 { margin: 0 0 11px; font-size: 1.25rem; }
.side-box p { margin: 0 0 14px; color: var(--muted); font-size: 0.9rem; }
.side-box .btn { width: 100%; }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.blog-card { display: flex; flex-direction: column; min-height: 280px; padding: 26px; background: var(--white); border-top: 5px solid var(--ink); }
.blog-card:hover { border-top-color: var(--amber); }
.blog-card time { color: var(--green); font-size: 0.78rem; font-weight: 900; letter-spacing: 0.1em; text-transform: uppercase; }
.blog-card h2 { margin: 18px 0 10px; font-size: 1.28rem; line-height: 1.25; }
.blog-card h2 a { text-decoration: none; }
.blog-card p { margin: 0 0 22px; color: var(--muted); font-size: 0.91rem; }
.text-link { margin-top: auto; color: var(--amber-dark); font-weight: 900; text-decoration: none; }
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 24px; }
.contact-panel { padding: 30px; background: var(--white); border-top: 5px solid var(--amber); }
.contact-panel h2 { margin-top: 0; }
.contact-list { margin: 22px 0 0; padding: 0; list-style: none; }
.contact-list li { padding: 14px 0; border-top: 1px solid var(--line); }
.contact-list strong { display: block; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; }
.contact-list a { font-size: 1.08rem; font-weight: 850; text-decoration: none; }
.cta-band { padding: 60px 0; background: var(--amber); color: var(--ink); }
.cta-band-inner { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.cta-band h2 { margin: 0; max-width: 760px; font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.05; }
.cta-band .btn { background: var(--ink); color: var(--white); border-color: var(--ink); }
.site-footer { padding: 58px 0 28px; background: #0e100e; color: #e5e5df; }
.footer-grid { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 1.2fr 0.8fr 0.8fr; gap: 54px; }
.footer-grid h2 { margin-top: 0; font-size: 1rem; color: var(--amber); text-transform: uppercase; letter-spacing: 0.1em; }
.footer-grid p { color: #afb3ac; }
.footer-links { margin: 0; padding: 0; list-style: none; }
.footer-links li { margin: 8px 0; }
.footer-links a { color: #e5e5df; text-decoration: none; }
.footer-bottom { width: min(var(--max), calc(100% - 40px)); margin: 40px auto 0; padding-top: 22px; border-top: 1px solid #353833; color: #8e938b; font-size: 0.82rem; }
.mobile-actions { display: none; }
.error-page { min-height: 100vh; display: grid; place-items: center; padding: 30px; background: var(--ink); color: var(--white); text-align: center; }
.error-page h1 { margin: 0; color: var(--amber); font-size: clamp(4rem, 15vw, 9rem); }
@media (max-width: 980px) {
    .site-nav { position: fixed; inset: 78px 0 auto; display: none; padding: 22px 20px; background: var(--ink); border-bottom: 3px solid var(--amber); }
    .site-nav.open { display: block; }
    .site-nav ul { align-items: stretch; flex-direction: column; gap: 0; }
    .site-nav a { display: block; padding: 13px 4px; border-bottom: 1px solid #353833; }
    .nav-call { margin-top: 12px; text-align: center; }
    .menu-toggle { display: block; }
    .hero-grid { grid-template-columns: 1fr; gap: 44px; min-height: 0; padding: 58px 0 68px; }
    .hero-copy { max-width: 760px; }
    .hero-visual { max-width: 760px; }
    .proof-grid { grid-template-columns: repeat(2, 1fr); }
    .proof-item:nth-child(3) { border-left: 1px solid var(--line); }
    .section-heading { grid-template-columns: 1fr; gap: 18px; }
    .content-layout { grid-template-columns: 1fr; }
    .contact-rail { position: static; }
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
    .header-inner, .section-inner, .hero-grid, .proof-grid, .footer-grid, .footer-bottom, .cta-band-inner { width: min(100% - 28px, var(--max)); }
    .header-inner { min-height: 70px; }
    .brand-mark { width: 39px; height: 39px; }
    .brand-copy { font-size: 1rem; }
    .brand-copy small { display: none; }
    .site-nav { top: 70px; }
    .hero::before { width: 5px; }
    .hero-grid { padding: 46px 0 54px; }
    .hero h1 { font-size: clamp(2.55rem, 13vw, 4rem); }
    .hero-lead { margin-top: 20px; font-size: 1rem; }
    .hero-actions .btn { width: 100%; }
    .hero-visual { padding: 0 10px 10px 0; }
    .quote-tag { position: relative; left: 0; bottom: auto; max-width: none; margin-top: 12px; }
    .proof-grid { grid-template-columns: 1fr 1fr; }
    .proof-item { min-height: 132px; grid-template-columns: 40px 1fr; padding: 18px 14px; }
    .proof-item img { width: 38px; height: 38px; }
    .section { padding: 64px 0; }
    .material-grid { grid-template-columns: 1fr; }
    .material-card, .material-card:nth-child(4), .material-card:nth-child(5) { grid-column: auto; }
    .process-grid { grid-template-columns: 1fr; }
    .process-step { padding: 28px 20px; border-right: 0; border-bottom: 1px solid #4c504b; }
    .process-step:last-child { border-bottom: 0; }
    .scrap-accordion summary { min-height: 58px; padding: 15px 46px 15px 15px; font-size: 0.96rem; }
    .scrap-accordion summary::after { right: 15px; }
    .accordion-body { padding: 1px 16px 19px; font-size: 0.95rem; }
    .page-hero { padding: 54px 0 48px; }
    .page-hero-inner, .article-shell { width: min(100% - 28px, 940px); }
    .article-section { padding: 48px 0 72px; }
    .article-shell { grid-template-columns: 1fr; gap: 30px; }
    .article-side { position: static; }
    .blog-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
    .cta-band-inner { align-items: flex-start; flex-direction: column; }
    .mobile-actions { position: fixed; z-index: 90; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: 1fr 1fr; background: var(--ink); border-top: 2px solid var(--amber); }
    .mobile-actions a { min-height: 54px; display: grid; place-items: center; color: var(--white); font-weight: 900; text-decoration: none; border-right: 1px solid #484c46; }
    .mobile-actions a:last-child { border-right: 0; background: var(--green); }
    .site-footer { padding-bottom: 84px; }
}
@media (max-width: 430px) {
    .proof-grid { grid-template-columns: 1fr; }
    .proof-item, .proof-item:nth-child(3) { border-left: 1px solid var(--line); }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* Sadeleştirilmiş görsel katman */
:root {
    --ink: #1b1e1b;
    --ink-soft: #292d29;
    --paper: #f7f4ed;
    --paper-deep: #ebe5da;
    --white: #fffefa;
    --amber: #e5a321;
    --amber-dark: #aa7213;
    --muted: #6f756f;
    --line: rgba(27, 30, 27, 0.12);
}
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 8px 26px rgba(27, 30, 27, 0.06);
}
.header-inner { min-height: 74px; }
.brand { color: var(--ink); }
.brand-mark {
    background: var(--amber);
    color: var(--ink);
    border: 0;
    border-radius: 3px;
}
.brand-copy strong { color: var(--amber-dark); }
.brand-copy small { color: #747a74; }
.site-nav a { color: var(--ink); }
.site-nav a:hover { color: var(--amber-dark); }
.nav-call,
.site-nav .nav-call {
    background: var(--ink);
    color: var(--white);
    border-color: var(--ink);
    box-shadow: none;
}
.site-nav .nav-call:hover { background: var(--ink-soft); color: var(--white); }
.menu-toggle { color: var(--ink); border-color: var(--line); }
.hero::before { width: 4px; }
.hero-grid { min-height: 560px; gap: 56px; }
.hero h1 { letter-spacing: -0.045em; }
.hero-visual::after { width: 36px; height: 32px; background: #d39827; }
.proof-item { min-height: 128px; }
.material-grid { gap: 18px; }
.material-card {
    border: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 14px 34px rgba(27, 30, 27, 0.045);
}
.material-card:hover { border-color: rgba(229, 163, 33, 0.62); }
.scrap-accordion {
    border: 1px solid var(--line);
    border-left: 1px solid var(--line);
    border-radius: 4px;
    box-shadow: none;
}
.scrap-accordion[open] {
    border-color: rgba(229, 163, 33, 0.58);
    box-shadow: 0 12px 28px rgba(27, 30, 27, 0.045);
}
.scrap-accordion summary { padding-left: 22px; }
.accordion-body { padding: 2px 22px 23px; }
.page-hero { border-bottom: 2px solid var(--amber); }
.article-shell { width: min(1040px, calc(100% - 40px)); grid-template-columns: minmax(0, 1fr) 270px; gap: 52px; }
.article-body p { margin: 0 0 22px; line-height: 1.82; }
.article-body h2 {
    margin: 42px 0 15px;
    padding: 0;
    font-size: clamp(1.35rem, 2.6vw, 1.85rem);
    line-height: 1.25;
    letter-spacing: -0.025em;
}
.article-body h2::before {
    content: "";
    display: block;
    width: 34px;
    height: 3px;
    margin-bottom: 12px;
    background: var(--amber);
}
.article-body h3 { margin: 30px 0 12px; font-size: 1.18rem; }
.article-body ul,
.article-body ol { margin: 0 0 24px; padding-left: 1.35rem; }
.article-body li { margin: 7px 0; }
.side-box {
    border: 1px solid var(--line);
    border-top: 3px solid var(--amber);
    box-shadow: 0 12px 28px rgba(27, 30, 27, 0.045);
}
.blog-card {
    border: 1px solid var(--line);
    border-top: 1px solid var(--line);
    box-shadow: 0 12px 30px rgba(27, 30, 27, 0.04);
}
.blog-card:hover { border-color: rgba(229, 163, 33, 0.62); }
.contact-panel { border: 1px solid var(--line); border-top: 3px solid var(--amber); }
.cta-band { background: var(--amber); }
.site-footer .brand { color: var(--white); }
.site-footer .brand-copy strong { color: var(--amber); }
.site-footer .brand-copy small { color: #aeb3ac; }
@media (max-width: 980px) {
    .site-nav {
        inset: 74px 0 auto;
        background: var(--white);
        border-bottom: 1px solid var(--line);
        box-shadow: 0 16px 28px rgba(27, 30, 27, 0.08);
    }
    .site-nav a { color: var(--ink); border-bottom-color: var(--line); }
    .article-shell { grid-template-columns: 1fr; }
    .article-side { position: static; }
}
@media (max-width: 720px) {
    .header-inner { min-height: 68px; }
    .site-nav { top: 68px; }
    .hero-grid { padding-top: 42px; }
    .section { padding: 60px 0; }
    .scrap-accordion summary { padding: 15px 46px 15px 16px; }
    .accordion-body { padding: 1px 16px 19px; }
    .article-shell { width: min(100% - 28px, 1040px); }
    .article-body h2 { margin-top: 34px; }
}