/* ============================================================
   YP FITTINGS — Savunma / hassas imalat teması
   Renkler:  void #0B0F14 · steel #10161F/#151E29 · line #22303F
             ink #E6EDF5 / #8DA0B5 · brand #2C6FB5 · signal #F5A623
   Tipografi: Saira Condensed (display) · Saira (body) · JetBrains Mono (data)
   ============================================================ */

:root {
    --void: #0B0F14;
    --steel-900: #10161F;
    --steel-800: #151E29;
    --steel-700: #1B2634;
    --line: #22303F;
    --line-soft: #1a2531;
    --ink: #E6EDF5;
    --ink-dim: #8DA0B5;
    --ink-faint: #5C6E82;
    --brand: #2C6FB5;
    --brand-bright: #3D8AD6;
    --signal: #F5A623;
    --signal-dim: #b9791a;
    --ok: #3FB77E;
    --err: #E5624B;
    --maxw: 1200px;
    --r: 4px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--void);
    color: var(--ink);
    font-family: 'Saira', system-ui, sans-serif;
    font-weight: 400;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.wrap { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }
.mono { font-family: 'JetBrains Mono', monospace; letter-spacing: 0.04em; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* blueprint zemin ------------------------------------------------ */
.grid-bg {
    position: fixed; inset: 0; z-index: -1; pointer-events: none;
    background-image:
        linear-gradient(var(--line-soft) 1px, transparent 1px),
        linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
    background-size: 46px 46px;
    opacity: 0.35;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}

/* ---------------- Header ---------------- */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(11, 15, 20, 0.82);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 1.5rem; height: 68px; }
.brand img { height: 30px; width: auto; }
.site-nav { display: flex; gap: 1.6rem; margin-left: auto; }
.site-nav a {
    font-size: 0.86rem; letter-spacing: 0.03em; color: var(--ink-dim);
    text-transform: uppercase; font-weight: 500; transition: color 0.2s;
}
.site-nav a:hover { color: var(--ink); }
.nav-cta { margin-left: 0.5rem; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; padding: 6px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); display: block; }

/* ---------------- Buttons ---------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0.72rem 1.35rem; font-family: 'Saira', sans-serif;
    font-weight: 600; font-size: 0.9rem; letter-spacing: 0.02em;
    border: 1px solid transparent; border-radius: var(--r); cursor: pointer;
    transition: transform 0.15s, background 0.2s, border-color 0.2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-signal { background: var(--signal); color: #16130a; }
.btn-signal:hover { background: #ffb733; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--brand-bright); color: #fff; }
.btn-block { width: 100%; margin-top: 0.4rem; }

/* ---------------- Hero ---------------- */
.hero { padding: clamp(3rem, 8vw, 6.5rem) 0 clamp(2.5rem, 6vw, 5rem); position: relative; }
.hero-inner { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.eyebrow {
    display: inline-flex; align-items: center; gap: 0.55rem;
    font-family: 'JetBrains Mono', monospace; font-size: 0.74rem;
    letter-spacing: 0.18em; text-transform: uppercase; color: var(--signal);
    margin-bottom: 1.4rem;
}
.eyebrow .tick { width: 10px; height: 10px; background: var(--signal); box-shadow: 0 0 12px var(--signal); border-radius: 1px; }
.hero-title {
    font-family: 'Saira Condensed', sans-serif; font-weight: 700;
    font-size: clamp(2.4rem, 5.4vw, 4.3rem); line-height: 1.02;
    letter-spacing: -0.01em; margin: 0 0 1.3rem; color: #fff;
    text-wrap: balance;
}
.hero-sub { font-size: clamp(1rem, 1.4vw, 1.14rem); color: var(--ink-dim); max-width: 46ch; margin: 0 0 2rem; }
.hero-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; }

/* Kabiliyet okuma paneli (signature) */
.readout {
    position: relative; overflow: hidden;
    background: linear-gradient(180deg, var(--steel-800), var(--steel-900));
    border: 1px solid var(--line);
    border-radius: 6px;
    box-shadow: 0 30px 60px -30px rgba(0,0,0,0.8), inset 0 1px 0 rgba(255,255,255,0.03);
}
.readout-head { display: flex; justify-content: space-between; padding: 0.85rem 1.1rem; border-bottom: 1px solid var(--line); font-size: 0.68rem; letter-spacing: 0.14em; color: var(--ink-dim); }
.readout-head .dim { color: var(--ink-faint); }
.readout-grid { display: grid; grid-template-columns: 1fr 1fr; }
.readout-cell { padding: 1.35rem 1.1rem; border-bottom: 1px solid var(--line); }
.readout-cell:nth-child(odd) { border-right: 1px solid var(--line); }
.readout-num {
    font-family: 'Saira Condensed', sans-serif; font-weight: 700;
    font-size: 2.9rem; line-height: 1; color: #fff;
    font-variant-numeric: tabular-nums;
}
.readout-label { font-size: 0.66rem; letter-spacing: 0.08em; color: var(--ink-dim); text-transform: uppercase; margin-top: 0.35rem; }
.readout-foot { display: grid; grid-template-columns: repeat(3, 1fr); }
.rf-item { padding: 0.9rem 1.1rem; text-align: left; }
.rf-item:not(:last-child) { border-right: 1px solid var(--line); }
.rf-k { display: block; font-size: 0.6rem; letter-spacing: 0.12em; color: var(--ink-faint); }
.rf-v { font-family: 'Saira Condensed', sans-serif; font-weight: 600; font-size: 1.5rem; color: var(--signal); }
.rf-v small { font-size: 0.6rem; color: var(--ink-dim); letter-spacing: 0.08em; }
.scanline {
    position: absolute; left: 0; right: 0; top: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--brand-bright), transparent);
    animation: scan 4.5s ease-in-out infinite;
    opacity: 0.7;
}
@keyframes scan { 0%,100% { transform: translateY(0); opacity: 0; } 8% { opacity: 0.8; } 50% { transform: translateY(320px); opacity: 0.4; } 92% { opacity: 0.8; } }

/* ---------------- Bands / sections ---------------- */
.band { padding: clamp(3rem, 7vw, 6rem) 0; border-top: 1px solid var(--line); }
.band-alt { background: linear-gradient(180deg, rgba(21,30,41,0.5), transparent 60%); }
.section-head { max-width: 62ch; margin-bottom: 2.6rem; }
.section-index { display: block; font-size: 0.78rem; color: var(--signal); letter-spacing: 0.2em; margin-bottom: 0.6rem; }
.section-head h2 {
    font-family: 'Saira Condensed', sans-serif; font-weight: 700;
    font-size: clamp(1.7rem, 3.4vw, 2.7rem); line-height: 1.05; margin: 0 0 0.7rem; color: #fff;
}
.section-lede { color: var(--ink-dim); font-size: 1.02rem; margin: 0; }
.section-lede strong { color: var(--ink); }

/* Kabiliyet üçlü */
.cap-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.cap { background: var(--steel-900); padding: 1.8rem 1.6rem; }
.cap-k { display: block; font-size: 0.72rem; color: var(--brand-bright); letter-spacing: 0.1em; margin-bottom: 0.8rem; }
.cap p { margin: 0; color: var(--ink-dim); font-size: 0.96rem; }

/* Makine kartları */
.machine-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.machine-card {
    background: var(--steel-900); border: 1px solid var(--line);
    border-radius: 6px; padding: 1.5rem 1.4rem 1.6rem; position: relative;
    transition: border-color 0.2s, transform 0.2s;
}
.machine-card:hover { border-color: var(--brand); transform: translateY(-3px); }
.machine-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.machine-icon { width: 30px; height: 30px; color: var(--brand-bright); }
.machine-count { font-family: 'Saira Condensed', sans-serif; font-weight: 700; font-size: 2.6rem; line-height: 1; color: #fff; font-variant-numeric: tabular-nums; }
.machine-name { font-family: 'Saira Condensed', sans-serif; font-weight: 600; font-size: 1.15rem; margin: 0 0 0.5rem; color: var(--ink); }
.machine-note { margin: 0; font-size: 0.83rem; color: var(--ink-faint); line-height: 1.45; }

/* Marka ticker */
.brands { margin-top: 2.4rem; border-top: 1px solid var(--line); padding-top: 1.6rem; }
.brands-label { display: block; font-size: 0.66rem; color: var(--ink-faint); letter-spacing: 0.16em; margin-bottom: 0.9rem; }
.ticker { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.ticker-track { display: flex; align-items: center; gap: 1rem; width: max-content; animation: tick 34s linear infinite; }
.ticker-item { font-family: 'Saira Condensed', sans-serif; font-weight: 600; font-size: 1.25rem; color: var(--ink-dim); white-space: nowrap; }
.ticker-dot { color: var(--brand); }
@keyframes tick { to { transform: translateX(-50%); } }

/* Belgeler */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.cert { background: var(--steel-900); padding: 1.3rem 1.4rem; display: flex; flex-direction: column; gap: 0.35rem; }
.cert-code { font-size: 0.95rem; color: #fff; font-weight: 700; }
.cert-desc { font-size: 0.85rem; color: var(--ink-dim); }

/* Galeri */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.gallery-item { margin: 0; position: relative; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; aspect-ratio: 4 / 3; background: var(--steel-900); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 0.7rem 0.9rem; font-size: 0.85rem; background: linear-gradient(transparent, rgba(11,15,20,0.9)); }
.gallery-item figcaption .mono { display: block; font-size: 0.62rem; color: var(--signal); letter-spacing: 0.1em; }
.gallery-empty { border: 1px dashed var(--line); border-radius: 6px; padding: 3rem; text-align: center; color: var(--ink-faint); font-size: 0.85rem; }

/* İletişim */
.contact-band { border-bottom: none; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.about h2 { font-family: 'Saira Condensed', sans-serif; font-weight: 700; font-size: clamp(1.7rem, 3vw, 2.5rem); color: #fff; margin: 0.4rem 0 1rem; }
.about-body { color: var(--ink-dim); margin: 0 0 2rem; }
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.contact-list li { display: grid; grid-template-columns: 90px 1fr; gap: 1rem; align-items: baseline; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.contact-list .mono { font-size: 0.66rem; color: var(--ink-faint); letter-spacing: 0.12em; }
.contact-list a:hover { color: var(--signal); }

.contact-form-wrap { background: var(--steel-900); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.cf-head { padding: 0.9rem 1.4rem; border-bottom: 1px solid var(--line); font-size: 0.68rem; letter-spacing: 0.14em; color: var(--ink-dim); }
.contact-form { padding: 1.4rem; display: grid; gap: 1rem; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-form label { display: flex; flex-direction: column; gap: 0.4rem; font-size: 0.78rem; color: var(--ink-dim); }
.contact-form input, .contact-form textarea {
    background: var(--void); border: 1px solid var(--line); border-radius: var(--r);
    padding: 0.7rem 0.8rem; color: var(--ink); font-family: 'Saira', sans-serif; font-size: 0.95rem;
    transition: border-color 0.2s;
}
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--brand-bright); }
.alert { margin: 1rem 1.4rem 0; padding: 0.7rem 0.9rem; border-radius: var(--r); font-size: 0.88rem; }
.alert-ok { background: rgba(63,183,126,0.12); border: 1px solid rgba(63,183,126,0.4); color: #86e0b4; }
.alert-err { background: rgba(229,98,75,0.12); border: 1px solid rgba(229,98,75,0.4); color: #f0a596; }

/* ---------------- Footer ---------------- */
.site-footer { border-top: 1px solid var(--line); background: var(--steel-900); }
.footer-grid { display: flex; justify-content: space-between; gap: 2rem; padding: 3rem 0 2rem; flex-wrap: wrap; }
.footer-logo { height: 28px; margin-bottom: 1rem; }
.footer-note { color: var(--ink-faint); font-size: 0.9rem; margin: 0; }
.footer-meta { display: flex; flex-direction: column; gap: 0.5rem; text-align: right; font-size: 0.68rem; color: var(--ink-dim); letter-spacing: 0.1em; }
.footer-meta .admin-link:hover { color: var(--signal); }
.footer-bottom { display: flex; justify-content: space-between; padding: 1.2rem 0; border-top: 1px solid var(--line); font-size: 0.64rem; color: var(--ink-faint); letter-spacing: 0.1em; }

/* ---------------- Responsive ---------------- */
@media (max-width: 980px) {
    .hero-inner { grid-template-columns: 1fr; }
    .machine-grid { grid-template-columns: repeat(2, 1fr); }
    .cap-row, .cert-grid { grid-template-columns: 1fr; }
    .gallery { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .nav-cta { display: none; }
    .site-nav { position: fixed; inset: 68px 0 auto 0; flex-direction: column; background: var(--steel-900); border-bottom: 1px solid var(--line); padding: 1rem 1.25rem; gap: 1rem; transform: translateY(-140%); transition: transform 0.25s; }
    body.nav-open .site-nav { transform: translateY(0); }
    .nav-toggle { display: flex; margin-left: auto; }
}
@media (max-width: 560px) {
    .machine-grid, .gallery { grid-template-columns: 1fr; }
    .cf-row { grid-template-columns: 1fr; }
    .readout-foot { grid-template-columns: 1fr; }
    .rf-item:not(:last-child) { border-right: none; border-bottom: 1px solid var(--line); }
    .footer-meta { text-align: left; }
}

/* Erişilebilirlik */
:focus-visible { outline: 2px solid var(--brand-bright); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; scroll-behavior: auto !important; transition: none !important; }
}