/* ==========================================================================
   HAŞEM MAKİNA - BEYAZ & PREMIUM ALMAN MÜHENDİSLİK TEMA SİSTEMİ
   ========================================================================== */

:root {
    /* Renk Paleti (Açık & Temiz Endüstriyel Beyaz) */
    --bg-body: #ffffff;
    --bg-surface: #f8fafc;
    --bg-card: #ffffff;
    --bg-dark-subtle: #0f172a;
    
    --text-main: #0f172a;
    --text-muted: #475569;
    --text-light: #94a3b8;
    
    /* Safir Mavi & Akıllı Endüstriyel Vurgu */
    --accent-blue: #0052ff;
    --accent-blue-hover: #0041cc;
    --accent-light: #eff6ff;
    --accent-border: #bfdbfe;
    
    --border-color: #e2e8f0;
    --border-strong: #cbd5e1;
    
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 20px 35px -10px rgba(15, 23, 42, 0.12);
    
    --font-main: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Temizlik */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-body);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul { list-style: none; }

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
}

/* Tipografi & Badge */
.accent-text {
    color: var(--accent-blue);
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem;
    background: var(--accent-light);
    border: 1px solid var(--accent-border);
    border-radius: 50px;
    color: var(--accent-blue);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-heading {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}

.section-subtext {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 650px;
}

.text-center {
    text-align: center;
}
.text-center .section-subtext {
    margin-left: auto;
    margin-right: auto;
}

/* Buton Tasarımları */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 1.6rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.875rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition);
}

.btn-primary {
    background: var(--accent-blue);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(0, 82, 255, 0.25);
}

.btn-primary:hover {
    background: var(--accent-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 82, 255, 0.35);
}

.btn-outline {
    background: #ffffff;
    color: var(--text-main);
    border-color: var(--border-strong);
}

.btn-outline:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    background: var(--accent-light);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 1.1rem 2.2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* ==========================================================================
   CANLI MÜHENDİSLİK BARI (TOP BAR)
   ========================================================================== */
.top-bar {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.78rem;
    color: var(--text-muted);
    padding: 0.45rem 0;
    font-family: var(--font-mono);
}

.top-bar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left, .top-bar-right {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.status-badge {
    color: #16a34a;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: #16a34a;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.4);
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    70% { box-shadow: 0 0 0 8px rgba(22, 163, 74, 0); }
    100% { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0); }
}

.divider {
    color: var(--border-strong);
}

/* ==========================================================================
   NAVİGASYON BARI
   ========================================================================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-blue);
    color: #ffffff;
    font-weight: 800;
    font-size: 1.4rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
}

.brand-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-main);
    display: block;
    line-height: 1;
}

.brand-subtitle {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    letter-spacing: 0.12em;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-item {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
}

.nav-item:hover, .nav-item.active {
    color: var(--accent-blue);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--text-main);
    cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    padding: 4.5rem 0 5rem 0;
    background: linear-gradient(180deg, #ffffff 0%, var(--bg-surface) 100%);
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(#cbd5e1 1px, transparent 1px);
    background-size: 32px 32px;
    opacity: 0.35;
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.category-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.9rem;
    background: var(--accent-light);
    border: 1px solid var(--accent-border);
    border-radius: 50px;
    color: var(--accent-blue);
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-mono);
    margin-bottom: 1.25rem;
}

.hero-headline {
    font-size: 3.1rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
    color: var(--text-main);
}

.hero-subline {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 580px;
}

.hero-cta-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

/* Hero Metrics */
.hero-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.metric-card {
    background: #ffffff;
    padding: 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.metric-val {
    font-family: var(--font-mono);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--accent-blue);
}

.metric-card .unit {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-blue);
}

.metric-lbl {
    display: block;
    font-size: 0.725rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

/* Hero Visual */
.visual-card-wrap {
    background: #ffffff;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    position: relative;
}

.visual-badge-top {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-blue);
    border: 1px solid var(--border-color);
    z-index: 5;
}

.hero-img {
    width: 100%;
    height: 440px;
    object-fit: cover;
}

.cad-hotspot {
    position: absolute;
    z-index: 6;
    cursor: pointer;
}

.spot-1 { top: 38%; left: 48%; }
.spot-2 { top: 62%; left: 72%; }

.hotspot-dot {
    width: 14px;
    height: 14px;
    background: var(--accent-blue);
    border-radius: 50%;
    border: 3px solid #ffffff;
    box-shadow: 0 0 10px rgba(0, 82, 255, 0.6);
    animation: pulse 2s infinite;
}

.hotspot-tooltip {
    position: absolute;
    left: 20px;
    top: -10px;
    background: #ffffff;
    border: 1px solid var(--accent-blue);
    padding: 0.5rem 0.8rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition);
    pointer-events: none;
}

.hotspot-tooltip strong { display: block; font-size: 0.8rem; color: var(--accent-blue); }
.hotspot-tooltip span { font-size: 0.7rem; color: var(--text-muted); }

.cad-hotspot:hover .hotspot-tooltip {
    opacity: 1;
    transform: translateX(0);
}

.visual-footer-bar {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.spec-col span { display: block; color: var(--text-light); }
.spec-col strong { color: var(--text-main); }

/* ==========================================================================
   SEKSİYON YAPISI & SHOWROOM
   ========================================================================== */
.section {
    padding: 5.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.section-title-wrap {
    margin-bottom: 3rem;
}

/* Filter Bar */
.filter-bar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--accent-blue);
    color: #ffffff;
    border-color: var(--accent-blue);
    box-shadow: 0 4px 10px rgba(0, 82, 255, 0.2);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.product-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-border);
    box-shadow: var(--shadow-lg);
}

.card-img-holder {
    position: relative;
    height: 230px;
    overflow: hidden;
}

.card-img-holder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .card-img-holder img {
    transform: scale(1.06);
}

.card-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.725rem;
    font-weight: 700;
    color: var(--accent-blue);
    border: 1px solid var(--border-color);
}

.card-quick-btn {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: var(--accent-blue);
    color: #ffffff;
    border: none;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
}

.product-card:hover .card-quick-btn {
    opacity: 1;
    transform: translateY(0);
}

.card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-code {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-blue);
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 0.6rem;
}

.card-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.card-specs-table {
    border-top: 1px solid var(--border-color);
    padding-top: 0.8rem;
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
}

.spec-row span { color: var(--text-light); }
.spec-row strong { font-family: var(--font-mono); color: var(--text-main); }

/* ==========================================================================
   TOLERANS LABORATUVARI (SIMULATOR)
   ========================================================================== */
.simulator-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
}

.sim-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.sim-badge {
    background: #dcfce7;
    color: #15803d;
    padding: 0.4rem 0.8rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.sim-body {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

.box-title {
    display: block;
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 0.8rem;
}

.material-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
    margin-bottom: 1.8rem;
}

.mat-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: 0.85rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-align: left;
    transition: var(--transition);
}

.mat-card i {
    font-size: 1.2rem;
    color: var(--accent-blue);
}

.mat-card strong { display: block; font-size: 0.85rem; color: var(--text-main); }
.mat-card span { font-size: 0.725rem; color: var(--text-muted); }

.mat-card:hover, .mat-card.active {
    border-color: var(--accent-blue);
    background: var(--accent-light);
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.6rem;
}

.slider-display {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--accent-blue);
}

.range-slider {
    width: 100%;
    height: 8px;
    background: var(--border-strong);
    border-radius: 4px;
    accent-color: var(--accent-blue);
    cursor: pointer;
}

.slider-ticks {
    display: flex;
    justify-content: space-between;
    font-size: 0.725rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-top: 0.5rem;
}

/* Output Card */
.output-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.out-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-blue);
    font-weight: 700;
    display: block;
    margin-bottom: 0.4rem;
}

.out-title {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.out-specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.2rem;
}

.out-item span { display: block; font-size: 0.75rem; color: var(--text-muted); }
.out-item strong { font-size: 0.875rem; color: var(--text-main); margin-top: 0.2rem; display: block; }

/* ==========================================================================
   KABİLİYETLER TABS
   ========================================================================== */
.tabs-wrapper {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2.5rem;
}

.tabs-header {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.tab-link {
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: var(--transition);
    text-align: left;
}

.tab-link i { font-size: 1.1rem; color: var(--accent-blue); }

.tab-link:hover, .tab-link.active {
    background: var(--accent-blue);
    color: #ffffff;
    border-color: var(--accent-blue);
    box-shadow: 0 4px 12px rgba(0, 82, 255, 0.2);
}

.tab-link:hover i, .tab-link.active i { color: #ffffff; }

.tab-pane {
    display: none;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.35 ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.pane-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.pane-text h3 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 0.8rem;
}

.pane-text p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.check-list i { color: var(--accent-blue); }

.pane-img img {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    height: 320px;
    width: 100%;
    object-fit: cover;
}

/* ==========================================================================
   TEKLİF ROBOTU WIZARD
   ========================================================================== */
.calculator-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-md);
}

.wizard-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 2.5rem 0;
}

.step-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.45;
    transition: var(--transition);
}

.step-badge.active { opacity: 1; }

.step-badge .num {
    width: 32px;
    height: 32px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 800;
    font-size: 0.85rem;
}

.step-badge.active .num {
    background: var(--accent-blue);
    color: #ffffff;
    border-color: var(--accent-blue);
}

.step-line {
    width: 60px;
    height: 2px;
    background: var(--border-color);
}

.wizard-pane { display: none; }
.wizard-pane.active { display: block; animation: fadeIn 0.35s ease; }

.wizard-pane h3 {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.wizard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.wiz-select-card input { display: none; }

.wiz-select-card .card-inner {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1.8rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    height: 100%;
}

.wiz-select-card .card-inner i {
    font-size: 2rem;
    color: var(--accent-blue);
    margin-bottom: 0.8rem;
}

.wiz-select-card .card-inner h4 { font-size: 1rem; margin-bottom: 0.3rem; }
.wiz-select-card .card-inner p { font-size: 0.75rem; color: var(--text-muted); }

.wiz-select-card input:checked + .card-inner {
    border-color: var(--accent-blue);
    background: var(--accent-light);
    box-shadow: 0 4px 12px rgba(0, 82, 255, 0.15);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.85rem 1rem;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    transition: var(--transition);
}

.form-input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.15);
}

.summary-box {
    background: #ffffff;
    border: 1px dashed var(--accent-blue);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.8rem;
}

.sum-header {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 0.8rem;
}

.sum-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    font-size: 0.875rem;
}

.wiz-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* ==========================================================================
   KURUMSAL & TIMELINE
   ========================================================================== */
.corp-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.corp-content h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.corp-content p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.cert-row {
    display: flex;
    gap: 1rem;
}

.cert-card {
    flex: 1;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 1rem 1.2rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cert-card i {
    font-size: 1.8rem;
    color: var(--accent-blue);
}

.cert-card strong { display: block; font-size: 0.9rem; }
.cert-card span { font-size: 0.75rem; color: var(--text-muted); }

.timeline {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-top: 1.5rem;
}

.timeline-item {
    display: flex;
    gap: 1.2rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 1.2rem;
    border-radius: var(--radius-sm);
}

.step-index {
    width: 38px;
    height: 38px;
    background: var(--accent-blue);
    color: #ffffff;
    font-family: var(--font-mono);
    font-weight: 800;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.timeline-item h4 { font-size: 1rem; margin-bottom: 0.3rem; }
.timeline-item p { font-size: 0.825rem; color: var(--text-muted); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 2rem 0;
    font-size: 0.875rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-about p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-links a {
    width: 36px;
    height: 36px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.social-links a:hover {
    color: var(--accent-blue);
    border-color: var(--accent-blue);
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 800;
    margin-bottom: 1.2rem;
}

.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col a { color: var(--text-muted); }
.footer-col a:hover { color: var(--accent-blue); }

.footer-col p {
    color: var(--text-muted);
    margin-bottom: 0.8rem;
    display: flex;
    gap: 0.6rem;
}

.footer-col i { color: var(--accent-blue); margin-top: 0.2rem; }

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    color: var(--text-light);
    font-size: 0.78rem;
    font-family: var(--font-mono);
}

/* ==========================================================================
   MODAL DRAWER
   ========================================================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(6px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-box {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px);
    transition: var(--transition);
}

.modal-overlay.active .modal-box {
    transform: translateY(0);
}

.modal-close-btn {
    position: absolute;
    top: 1.2rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-muted);
    cursor: pointer;
}

.modal-close-btn:hover { color: var(--accent-blue); }

/* ==========================================================================
   RESPONSIVE UYUMLULUK
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-container { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .tabs-wrapper { grid-template-columns: 1fr; }
    .corp-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .top-bar { display: none; }
    .hero-headline { font-size: 2.2rem; }
    .hero-metrics { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: 1fr; }
    .sim-body { grid-template-columns: 1fr; }
    .material-options { grid-template-columns: 1fr; }
    .wizard-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .pane-grid { grid-template-columns: 1fr; }
    
    .nav-links {
        position: fixed;
        top: 76px;
        left: 0;
        width: 100%;
        background: #ffffff;
        padding: 2rem;
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        gap: 1.2rem;
        transform: translateY(-150%);
        transition: var(--transition);
    }
    .nav-links.active { transform: translateY(0); }
    .menu-toggle { display: block; }
}

/* ==========================================================================
   HAŞEM MAKİNA - MOBİL UX & UI OPTİMİZASYONU (Premium Touch)
   ========================================================================== */

@media (max-width: 991px) {

    .simulator-section{
        display: none;
    }

    /* Genel Boşluklar */
    .section { padding: 3.5rem 0; }
    .section-heading { font-size: 1.85rem; }
    
    /* Navbar Düzenleme */
    .nav-links {
        position: fixed;
        top: 76px;
        left: 0;
        width: 100%;
        height: calc(100vh - 76px);
        background: #ffffff;
        flex-direction: column;
        padding: 2rem;
        gap: 0;
        transform: translateX(100%); /* Sağa gizle */
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 999;
        overflow-y: auto;
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-item {
        padding: 1.25rem 0;
        border-bottom: 1px solid var(--border-color);
        font-size: 1.1rem;
        width: 100%;
        display: block;
    }

    /* Hero Alanı */
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }

    .hero-headline { font-size: 2.2rem; line-height: 1.2; }
    .hero-cta-group { justify-content: center; flex-direction: column; }
    .hero-subline { margin-left: auto; margin-right: auto; }
    
    .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .metric-card { padding: 0.8rem; }
    .metric-val { font-size: 1.4rem; }

    /* Ürün Filtreleri (Kaydırılabilir Yapı) */
    .filter-bar {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 1rem;
        margin-bottom: 1.5rem;
        -webkit-overflow-scrolling: touch;
        gap: 0.5rem;
        padding-right: 1.5rem;
    }

    .filter-btn {
        white-space: nowrap;
        flex-shrink: 0;
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }

    /* Tab Yapısı (Kabiliyetler) */
    .tabs-wrapper {
        grid-template-columns: 1fr;
    }

    .tabs-header {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 0.5rem;
        -webkit-overflow-scrolling: touch;
    }

    .tab-link {
        white-space: nowrap;
        flex-shrink: 0;
        padding: 0.75rem 1rem;
    }

    .pane-grid {
        grid-template-columns: 1fr;
    }

    .pane-img { order: -1; } /* Resmi metnin üstüne al */
    .pane-img img { height: 220px; }

    /* Simülatör & Teklif Robotu */
    .sim-body, .calculator-card {
        padding: 1.5rem;
    }

    .material-options {
        grid-template-columns: 1fr;
    }

    .wizard-steps {
        gap: 0.5rem;
    }

    .step-badge span:not(.num) {
        display: none; /* Mobilde sadece rakam görünsün */
    }

    .wizard-grid {
        grid-template-columns: 1fr;
    }

    /* Kurumsal & Timeline */
    .corp-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .cert-row {
        flex-direction: column;
    }

    /* Footer */
    .footer-grid {
        display: none;
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-about, .footer-col {
        align-items: center;
        display: flex;
        flex-direction: column;
    }

    .footer-col p { justify-content: center; }
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding: 0;
        border: none;
    }

    .footer {
        padding: 2rem 0 2rem 0;
    }

    .corp-content h2 {
        font-size: 30px;
        font-weight: 800;
        margin-bottom: 1rem;
        line-height: 40px;
    }
}

@media (max-width: 480px) {
    .hero-headline { font-size: 1.8rem; }
    .btn { width: 100%; } /* Butonlar tam genişlik */
    .hero-metrics { grid-template-columns: 1fr; }
    .hero-img { height: 300px; }
    
    .section-tag { font-size: 0.65rem; }
    
    .card-specs-table {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Nav Animasyon Dokunuşu */
.menu-toggle i {
    transition: transform 0.3s ease;
}

.menu-toggle.active i {
    transform: rotate(90deg);
}