/* =========================================================
   LIMAS DEMİR ÇELİK — Tasarım Sistemi
   Renk: antrasit + güvenlik turuncusu + oksit tonu
   Tipografi: Oswald (başlık) / Inter (gövde) / JetBrains Mono (rakam-kod)
   İmza öğe: kesik köşeli "çelik plaka" kartlar + perçin noktaları
   ========================================================= */

:root {
    --charcoal: #1b1e23;
    --charcoal-2: #262a31;
    --steel: #3e4650;
    --steel-light: #7b8794;
    --orange: #ea5b0c;
    --orange-dark: #c34a09;
    --oxide: #9c3b23;
    --bg: #f3f4f6;
    --panel: #ffffff;
    --ink: #1b1e23;
    --ink-soft: #565f6a;
    --line: #dfe2e6;
    --line-dark: #40474f;
    --radius-sm: 4px;
    --cut: 16px;
    --container: 1180px;
    --shadow: 0 8px 24px rgba(27, 30, 35, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: 'Inter', system-ui, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: 'Oswald', 'Inter', sans-serif;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--charcoal);
    margin: 0 0 0.5em;
}

p { margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

.mono {
    font-family: 'JetBrains Mono', monospace;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--orange);
    font-weight: 600;
    margin-bottom: 14px;
}
.eyebrow::before {
    content: "";
    width: 18px;
    height: 2px;
    background: var(--orange);
    display: inline-block;
}

/* ---------- Üst bilgi çubuğu ---------- */
.topbar {
    background: var(--charcoal);
    color: #c7ccd2;
    font-size: 13px;
}
.topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 38px;
}
.topbar a { color: #c7ccd2; }
.topbar .topbar-links { display: flex; gap: 22px; }
.topbar .topbar-links span { display: inline-flex; align-items: center; gap: 6px; }
.topbar svg { width: 14px; height: 14px; }

/* ---------- Header ---------- */
.site-header {
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 50;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 84px;
    gap: 32px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.logo-mark {
    width: 44px;
    height: 44px;
    background: var(--charcoal);
    clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--orange);
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    font-size: 20px;
}
.logo-text .name {
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    font-size: 19px;
    letter-spacing: 0.02em;
    color: var(--charcoal);
    line-height: 1.1;
}
.logo-text .tag {
    font-size: 11.5px;
    color: var(--ink-soft);
    letter-spacing: 0.03em;
}

.main-nav {
    display: flex;
    gap: 4px;
    flex: 1;
    justify-content: center;
}
.main-nav a {
    padding: 10px 16px;
    font-family: 'Oswald', sans-serif;
    font-size: 14.5px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--steel);
    border-bottom: 2px solid transparent;
    transition: color .15s, border-color .15s;
}
.main-nav a:hover,
.main-nav a.active {
    color: var(--charcoal);
    border-bottom-color: var(--orange);
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-shrink: 0;
}
.header-phone {
    text-align: right;
    font-size: 12.5px;
    color: var(--ink-soft);
    line-height: 1.3;
}
.header-phone strong {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 15px;
    color: var(--charcoal);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding: 12px 22px;
    border-radius: var(--radius-sm);
    border: none;
    transition: background .15s, transform .1s, box-shadow .15s;
}
.btn:active { transform: translateY(1px); }
.btn-orange { background: var(--orange); color: #fff; }
.btn-orange:hover { background: var(--orange-dark); }
.btn-dark { background: var(--charcoal); color: #fff; }
.btn-dark:hover { background: #000; }
.btn-outline { background: transparent; color: var(--charcoal); border: 1.5px solid var(--line-dark); }
.btn-outline:hover { border-color: var(--charcoal); }
.btn-outline-light { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.4); }
.btn-outline-light:hover { border-color: #fff; }
.btn svg { width: 16px; height: 16px; }
.btn-block { width: 100%; justify-content: center; }

/* ---------- Kategori şeridi ---------- */
.cat-strip {
    background: var(--charcoal-2);
}
.cat-strip .container {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: thin;
}
.cat-strip a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 13px 16px;
    white-space: nowrap;
    font-size: 13.5px;
    color: #cfd4da;
    border-bottom: 2px solid transparent;
}
.cat-strip a:hover { color: #fff; border-bottom-color: var(--orange); }
.cat-strip svg { width: 18px; height: 18px; color: var(--orange); }

/* ---------- Hero ---------- */
.hero {
    background: var(--charcoal);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.hero::after {
    /* çelik dokusu: ince diyagonal çizgiler */
    content: "";
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(115deg, rgba(255,255,255,0.025) 0 2px, transparent 2px 34px);
    pointer-events: none;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
    padding: 72px 0 0;
    position: relative;
}
.hero h1 {
    color: #fff;
    font-size: 46px;
    line-height: 1.08;
    margin-bottom: 20px;
}
.hero h1 span { color: var(--orange); }
.hero p.lead {
    color: #b7bec6;
    font-size: 16.5px;
    max-width: 480px;
    margin-bottom: 30px;
}
.hero-actions { display: flex; gap: 14px; margin-bottom: 46px; flex-wrap: wrap; }

/* imza öge: kesik köşe çelik plaka paneli */
.plate {
    background: var(--panel);
    border: 1px solid var(--line);
    clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
    position: relative;
}
.plate-dark {
    background: var(--charcoal-2);
    border: 1px solid var(--line-dark);
}
.plate::before, .plate::after {
    content: "";
    position: absolute;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--orange);
    opacity: .85;
}
.plate::before { top: 10px; left: 10px; }
.plate::after { bottom: 10px; right: 10px; }

.hero-visual {
    position: relative;
    height: 100%;
    min-height: 380px;
}
.hero-graphic {
    width: 100%;
    height: 100%;
    min-height: 380px;
}

.stat-bar {
    display: flex;
    border-top: 1px solid rgba(255,255,255,.08);
    margin-top: 0;
    position: relative;
}
.stat-bar .stat {
    flex: 1;
    padding: 22px 28px;
    border-right: 1px solid rgba(255,255,255,.08);
}
.stat-bar .stat:last-child { border-right: none; }
.stat .num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 26px;
    font-weight: 700;
    color: var(--orange);
    display: block;
}
.stat .label {
    font-size: 12.5px;
    color: #b7bec6;
    text-transform: uppercase;
    letter-spacing: .04em;
}

/* ---------- Genel bölüm ---------- */
.section { padding: 84px 0; }
.section-tight { padding: 56px 0; }
.section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
    gap: 24px;
    flex-wrap: wrap;
}
.section-head h2 { font-size: 30px; margin-bottom: 8px; }
.section-head p { color: var(--ink-soft); margin: 0; max-width: 520px; }

.bg-dark { background: var(--charcoal); color: #fff; }
.bg-dark h2, .bg-dark h3, .bg-dark h4 { color: #fff; }
.bg-dark p { color: #b7bec6; }
.bg-panel { background: var(--panel); }

/* ---------- Kategori kartları ---------- */
.grid-cats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.cat-card {
    padding: 26px 22px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    transition: transform .15s, box-shadow .15s;
}
.cat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.cat-card .icon-wrap {
    width: 46px;
    height: 46px;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--orange);
}
.cat-card .icon-wrap svg { width: 26px; height: 26px; }
.cat-card h3 { font-size: 16px; margin-bottom: 4px; }
.cat-card p { font-size: 13.5px; color: var(--ink-soft); margin-bottom: 6px; flex: 1; }
.cat-card .price-from {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12.5px;
    color: var(--steel);
    border-top: 1px dashed var(--line);
    padding-top: 10px;
}
.cat-card .price-from strong { color: var(--orange); font-size: 14px; }
.cat-card .cat-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--charcoal);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.cat-card .cat-link svg { width: 14px; height: 14px; transition: transform .15s; }
.cat-card:hover .cat-link svg { transform: translateX(3px); }

/* ---------- Neden biz ---------- */
.grid-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.feature {
    text-align: left;
}
.feature .icon-wrap {
    width: 52px;
    height: 52px;
    background: rgba(234,91,12,.12);
    color: var(--orange);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    clip-path: polygon(0 0, 100% 0, 100% 75%, 75% 100%, 0 100%);
}
.feature .icon-wrap svg { width: 26px; height: 26px; }
.feature h4 { font-size: 15.5px; margin-bottom: 6px; }
.feature p { font-size: 13.5px; color: var(--ink-soft); margin: 0; }

/* ---------- CTA bandı ---------- */
.cta-band {
    background: var(--orange);
    color: #fff;
}
.cta-band-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 0;
    flex-wrap: wrap;
    gap: 20px;
}
.cta-band h3 { color: #fff; margin-bottom: 4px; font-size: 22px; }
.cta-band p { color: rgba(255,255,255,.9); margin: 0; }
.cta-band .btn-dark { background: var(--charcoal); }
.cta-band .btn-dark:hover { background: #000; }

/* ---------- Form ---------- */
.form-card {
    background: var(--panel);
    padding: 36px;
    border: 1px solid var(--line);
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.form-grid .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
    font-size: 12.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .03em;
    color: var(--steel);
}
.field .req { color: var(--orange); }
.field input,
.field select,
.field textarea {
    border: 1.5px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 11px 13px;
    font-family: inherit;
    font-size: 14.5px;
    color: var(--ink);
    background: #fbfbfc;
    transition: border-color .15s;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--orange);
    background: #fff;
}
.field small { color: var(--ink-soft); font-size: 12px; }
.field textarea { resize: vertical; min-height: 100px; }
.form-actions { margin-top: 24px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.form-note { font-size: 12.5px; color: var(--ink-soft); }

.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 24px;
    display: flex;
    gap: 10px;
    align-items: flex-start;
}
.alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.alert-success { background: #ecf7ee; color: #276b3c; border: 1px solid #bfe3c7; }
.alert-error { background: #fdecea; color: #9c2b1f; border: 1px solid #f3c3bd; }

/* Teklif özeti paneli */
.quote-result {
    background: var(--charcoal);
    color: #fff;
    padding: 30px 34px;
    margin-bottom: 32px;
}
.quote-result .qr-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,.12);
    padding-bottom: 16px;
    margin-bottom: 18px;
    flex-wrap: wrap;
    gap: 10px;
}
.quote-result .qr-no {
    font-family: 'JetBrains Mono', monospace;
    color: var(--orange);
    font-size: 14px;
}
.qr-rows { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-bottom: 18px; }
.qr-rows .row-item .lbl { font-size: 12px; color: #9aa2ab; text-transform: uppercase; letter-spacing: .03em; margin-bottom: 4px; }
.qr-rows .row-item .val { font-family: 'JetBrains Mono', monospace; font-size: 17px; }
.qr-total {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding-top: 16px;
    border-top: 1px dashed rgba(255,255,255,.18);
}
.qr-total .lbl { font-size: 14px; color: #b7bec6; }
.qr-total .val { font-family: 'JetBrains Mono', monospace; font-size: 30px; font-weight: 700; color: var(--orange); }
.qr-disclaimer { font-size: 12.5px; color: #9aa2ab; margin-top: 16px; }

/* ---------- Sayfa başlığı (iç sayfalar) ---------- */
.page-hero {
    background: var(--charcoal);
    color: #fff;
    padding: 52px 0;
    position: relative;
    overflow: hidden;
}
.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(115deg, rgba(255,255,255,0.025) 0 2px, transparent 2px 34px);
}
.page-hero h1 { color: #fff; font-size: 32px; margin-bottom: 8px; position: relative; }
.page-hero p { color: #b7bec6; margin: 0; position: relative; max-width: 560px; }
.breadcrumb {
    font-size: 12.5px;
    color: #9aa2ab;
    margin-bottom: 14px;
    position: relative;
}
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { margin: 0 6px; }

/* ---------- Hakkımızda ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}
.timeline { border-left: 2px solid var(--line); padding-left: 24px; display: flex; flex-direction: column; gap: 26px; }
.timeline .t-item { position: relative; }
.timeline .t-item::before {
    content: "";
    position: absolute;
    left: -30px;
    top: 4px;
    width: 10px;
    height: 10px;
    background: var(--orange);
    border-radius: 50%;
}
.timeline .t-year { font-family: 'JetBrains Mono', monospace; color: var(--orange); font-size: 13px; font-weight: 700; }
.timeline h4 { font-size: 15.5px; margin: 4px 0 4px; }
.timeline p { font-size: 13.5px; color: var(--ink-soft); margin: 0; }

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.value-card { padding: 24px; }
.value-card .icon-wrap {
    width: 44px; height: 44px;
    background: var(--bg);
    color: var(--orange);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 14px;
}
.value-card .icon-wrap svg { width: 24px; height: 24px; }
.value-card h4 { font-size: 15px; margin-bottom: 6px; }
.value-card p { font-size: 13px; color: var(--ink-soft); margin: 0; }

/* ---------- İletişim ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.3fr;
    gap: 40px;
    align-items: start;
}
.contact-info-card {
    padding: 30px;
}
.contact-info-item {
    display: flex;
    gap: 14px;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-info-item .icon-wrap {
    width: 38px; height: 38px;
    background: var(--bg);
    color: var(--orange);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.contact-info-item .icon-wrap svg { width: 20px; height: 20px; }
.contact-info-item h4 { font-size: 13.5px; margin-bottom: 3px; text-transform: none; letter-spacing: 0; }
.contact-info-item p { font-size: 13.5px; color: var(--ink-soft); margin: 0; }
.map-plate {
    height: 220px;
    margin-top: 18px;
    background:
        linear-gradient(rgba(27,30,35,.88), rgba(27,30,35,.88)),
        repeating-linear-gradient(0deg, transparent 0 28px, rgba(255,255,255,.05) 28px 29px),
        repeating-linear-gradient(90deg, transparent 0 28px, rgba(255,255,255,.05) 28px 29px);
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-align: center;
    padding: 20px;
}
.map-plate svg { width: 26px; height: 26px; color: var(--orange); }
.map-plate span { font-size: 13px; color: #b7bec6; }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--charcoal);
    color: #9aa2ab;
    padding-top: 60px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-grid h4 {
    color: #fff;
    font-size: 13.5px;
    margin-bottom: 16px;
    letter-spacing: .04em;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-grid a { font-size: 13.5px; }
.footer-grid a:hover { color: #fff; }
.footer-about p { font-size: 13.5px; max-width: 300px; }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 0;
    font-size: 12.5px;
    flex-wrap: wrap;
    gap: 10px;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
    .hero-inner { grid-template-columns: 1fr; padding-top: 40px; }
    .hero-visual { min-height: 260px; }
    .grid-cats { grid-template-columns: repeat(2, 1fr); }
    .grid-features { grid-template-columns: repeat(2, 1fr); }
    .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .main-nav { display: none; }
}
@media (max-width: 640px) {
    .hero h1 { font-size: 32px; }
    .stat-bar { flex-wrap: wrap; }
    .stat-bar .stat { flex: 1 1 50%; border-bottom: 1px solid rgba(255,255,255,.08); }
    .form-grid { grid-template-columns: 1fr; }
    .qr-rows { grid-template-columns: 1fr 1fr; }
    .grid-cats { grid-template-columns: 1fr; }
    .grid-features { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .values-grid { grid-template-columns: 1fr; }
    .topbar .topbar-links span:not(:first-child) { display: none; }
}