/* --- Değişkenler --- */
:root {
    --color-white: #ffffff;
    --color-grey-light: #f4f6f8;
    --color-grey-dark: #374151;
    --color-green: #10b981;     /* Lab Green / Mint */
    --color-green-light: #d1fae5;
    --color-black: #111827;
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
    
    --border: 1px solid #e5e7eb;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-heading);
    background-color: var(--color-white);
    color: var(--color-black);
    line-height: 1.5;
}

a { text-decoration: none; color: inherit; transition: 0.2s; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container { width: 90%; max-width: 1400px; margin: 0 auto; }

/* --- Data Strip --- */
.data-strip { background-color: var(--color-grey-light); padding: 5px 0; border-bottom: var(--border); font-family: var(--font-mono); font-size: 0.8rem; color: var(--color-grey-dark); }
.strip-flex { display: flex; gap: 20px; justify-content: flex-end; }

/* --- Header --- */
.lab-header { padding: 20px 0; border-bottom: var(--border); position: sticky; top: 0; background: rgba(255,255,255,0.95); z-index: 100; backdrop-filter: blur(5px); }
.header-flex { display: flex; justify-content: space-between; align-items: center; }

.logo { font-size: 1.5rem; font-weight: 700; letter-spacing: 1px; color: var(--color-black); }
.lab-box { background-color: var(--color-green); color: var(--color-white); padding: 2px 5px; margin-left: 2px; }

.tech-nav ul { display: flex; gap: 30px; align-items: center; }
.tech-nav a { font-family: var(--font-mono); font-size: 0.9rem; color: var(--color-grey-dark); }
.tech-nav a:hover, .tech-nav a.active { color: var(--color-green); font-weight: 500; }

.btn-lab { border: 1px solid var(--color-green); color: var(--color-green) !important; padding: 8px 20px; font-family: var(--font-mono); font-size: 0.85rem; }
.btn-lab:hover { background-color: var(--color-green); color: var(--color-white) !important; }

.menu-toggle { display: none; background: none; border: 1px solid var(--color-black); padding: 5px 10px; font-family: var(--font-mono); cursor: pointer; }

/* --- Mobile Panel --- */
.mobile-panel {
    position: fixed; top: 0; right: -100%; width: 300px; height: 100%;
    background-color: var(--color-grey-light); z-index: 200;
    display: flex; flex-direction: column; padding: 40px; gap: 20px;
    border-left: var(--border); transition: 0.3s ease;
}
.mobile-panel.active { right: 0; }
.close-panel { align-self: flex-end; background: none; border: none; font-size: 1.2rem; cursor: pointer; }
.mobile-panel a { font-family: var(--font-mono); font-size: 1.1rem; border-bottom: 1px solid #ccc; padding-bottom: 10px; }

/* --- Hero --- */
.hero-lab { padding: 0; border-bottom: var(--border); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; height: 600px; }

.hero-text { padding: 60px; display: flex; flex-direction: column; justify-content: center; border-right: var(--border); }
.code-tag { font-family: var(--font-mono); font-size: 0.8rem; color: var(--color-grey-dark); background: var(--color-grey-light); display: inline-block; padding: 5px; width: fit-content; margin-bottom: 20px; }
.hero-text h1 { font-size: 4rem; line-height: 1; margin-bottom: 30px; letter-spacing: -2px; }
.green-text { color: var(--color-green); }
.hero-text p { font-size: 1.2rem; color: var(--color-grey-dark); max-width: 500px; margin-bottom: 40px; }

.hero-actions { display: flex; gap: 20px; }
.btn-outline { border: 1px solid var(--color-black); padding: 12px 30px; font-family: var(--font-mono); font-weight: 500; }
.btn-outline:hover { background: var(--color-black); color: var(--color-white); }
.btn-solid { background: var(--color-black); color: var(--color-white); padding: 12px 30px; font-family: var(--font-mono); font-weight: 500; border: 1px solid var(--color-black); }
.btn-solid:hover { background: transparent; color: var(--color-black); }

.hero-visual { position: relative; background-size: cover; background-position: center; }
.overlay-grid { width: 100%; height: 100%; background-image: linear-gradient(var(--color-white) 1px, transparent 1px), linear-gradient(90deg, var(--color-white) 1px, transparent 1px); background-size: 50px 50px; opacity: 0.1; }

/* --- Lab Grid --- */
.section-border { border-left: var(--border); border-right: var(--border); padding: 80px 40px; }
.grid-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 40px; border-bottom: var(--border); padding-bottom: 20px; }
.grid-header h2 { font-size: 2rem; font-weight: 500; }
.grid-header span { font-family: var(--font-mono); color: var(--color-green); }

.lab-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: var(--border); border-left: var(--border); }
.grid-cell { border-right: var(--border); border-bottom: var(--border); padding: 40px; transition: 0.3s; }
.grid-cell:hover { background-color: var(--color-green-light); }
.grid-cell h3 { font-family: var(--font-mono); font-size: 1.2rem; margin-bottom: 15px; color: var(--color-black); }
.grid-cell p { color: var(--color-grey-dark); font-size: 0.95rem; }

/* --- Stat Bar --- */
.stat-bar { background-color: var(--color-black); color: var(--color-white); padding: 60px 0; }
.stat-flex { display: flex; justify-content: space-around; text-align: center; }
.stat-item strong { display: block; font-family: var(--font-mono); font-size: 3rem; color: var(--color-green); line-height: 1; }
.stat-item span { font-size: 0.9rem; letter-spacing: 2px; color: #ccc; }

/* --- Process (About) --- */
.page-head { margin-bottom: 60px; border-bottom: var(--border); padding-bottom: 20px; }
.page-head h1 { font-size: 3rem; margin-bottom: 10px; }

.process-flow { display: flex; flex-direction: column; }
.flow-step { display: flex; gap: 40px; padding: 40px 0; border-bottom: var(--border); align-items: flex-start; }
.step-num { font-family: var(--font-mono); font-size: 2rem; color: var(--color-green); font-weight: bold; }
.step-content h3 { font-size: 1.5rem; margin-bottom: 10px; }
.step-content p { color: var(--color-grey-dark); max-width: 700px; }

/* --- Reports (Testimonials) --- */
.report-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.report-card { border: var(--border); background-color: var(--color-grey-light); padding: 25px; font-family: var(--font-mono); font-size: 0.85rem; }
.report-header { display: flex; justify-content: space-between; border-bottom: 1px dashed #ccc; padding-bottom: 10px; margin-bottom: 15px; color: var(--color-grey-dark); }
.client-code { font-weight: bold; }
.report-body p { margin-bottom: 10px; }
.report-footer { margin-top: 15px; color: var(--color-green); font-weight: bold; text-align: right; }

/* --- Contact --- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; }
.contact-info h2 { font-size: 2rem; margin-bottom: 30px; }
.info-block { margin-bottom: 25px; }
.info-block label { font-family: var(--font-mono); font-size: 0.8rem; color: var(--color-green); display: block; margin-bottom: 5px; }
.info-block p { font-size: 1.1rem; }

.lab-form { border: var(--border); padding: 40px; background-color: var(--color-white); }
.lab-form h3 { font-family: var(--font-mono); margin-bottom: 25px; border-left: 4px solid var(--color-green); padding-left: 15px; }
.form-row { margin-bottom: 20px; }
.form-row label { display: block; margin-bottom: 5px; font-size: 0.9rem; font-weight: 500; }
.form-row input, .form-row select, .form-row textarea { width: 100%; padding: 12px; border: var(--border); background-color: var(--color-grey-light); font-family: var(--font-mono); font-size: 0.9rem; }
.form-row input:focus { outline: 1px solid var(--color-green); background: #fff; }
.btn-submit { width: 100%; background-color: var(--color-green); color: var(--color-white); padding: 15px; border: none; font-family: var(--font-mono); font-weight: bold; cursor: pointer; transition: 0.3s; }
.btn-submit:hover { background-color: var(--color-black); }

/* --- Legal --- */
.doc-container { max-width: 800px; margin: 0 auto; }
.doc-container h1 { font-size: 2.5rem; }
.separator-line { width: 100%; height: 1px; background: var(--color-green); margin: 20px 0 40px; }
.doc-block { margin-bottom: 40px; }
.doc-block h3 { font-family: var(--font-mono); font-size: 1.2rem; margin-bottom: 10px; color: var(--color-black); }

/* --- Footer --- */
.lab-footer { border-top: var(--border); padding: 40px 0; margin-top: auto; font-family: var(--font-mono); font-size: 0.8rem; }
.footer-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.f-right a { margin-left: 20px; color: var(--color-black); font-weight: bold; }

@media (max-width: 992px) {
    .tech-nav { display: none; }
    .menu-toggle { display: block; }
    .hero-grid { grid-template-columns: 1fr; height: auto; }
    .hero-text { border-right: none; padding: 40px 20px; }
    .hero-visual { height: 300px; }
    .hero-text h1 { font-size: 3rem; }
    .lab-grid, .contact-grid, .stat-flex { grid-template-columns: 1fr; }
}