@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ===== BRAND DESIGN TOKENS - LIGHT THEME ===== */
:root {
    --brand-white: #ffffff;
    --brand-bg: #f8fafc;
    --brand-bg-alt: #f1f5f9;
    --brand-navy: #0f172a;
    --brand-navy-light: #1e293b;
    --brand-accent: #0369a1;
    --brand-accent-hover: #0284c7;
    --brand-accent-light: #e0f2fe;
    --brand-accent-glow: rgba(3, 105, 161, 0.08);
    --brand-accent-glow-strong: rgba(3, 105, 161, 0.15);
    --brand-surface: #ffffff;
    --brand-surface-hover: #f8fafc;
    --brand-border: #e2e8f0;
    --brand-border-hover: #cbd5e1;
    --brand-text: #0f172a;
    --brand-text-secondary: #334155;
    --brand-text-muted: #64748b;
    --brand-gradient: linear-gradient(135deg, #0369a1 0%, #0ea5e9 100%);
    --brand-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --brand-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --brand-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    --brand-shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08);
    --brand-radius: 12px;
}

/* ===== BASE ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { 
    scroll-behavior: smooth;
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--brand-bg);
    color: var(--brand-text);
    overflow-x: hidden;
    width: 100%;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--brand-accent);
    color: white;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--brand-bg); }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--brand-accent); }

/* ===== NAVBAR ===== */
.navbar-custom {
    background: rgba(255, 255, 255, 0.96) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--brand-border);
    padding: 0;
    transition: box-shadow 0.3s ease, background-color 0.3s ease;
    flex-direction: column;
}
.navbar-custom.scrolled {
    box-shadow: var(--brand-shadow);
}

/* --- Üst Katman (Kalın Bant + Arkaplan Resmi Desteği) --- */
.navbar-top-bar {
    width: 100%;
    padding: 0.5rem 0; /* padding küçültüldü, resim büyüyecek */
    border-bottom: 1px solid var(--brand-border);
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, padding 0.4s ease;
    max-height: 210px;
    opacity: 1;
    overflow: hidden;
    position: relative;
    
    /* Elektriği çağrıştıran ince ızgara/devre deseni (Sade ve Şık) */
    background-color: #f8fbff;
    background-image: linear-gradient(rgba(14, 165, 233, 0.04) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(14, 165, 233, 0.04) 1px, transparent 1px);
    background-size: 24px 24px;
}
/* Arkaplanın üstüne beyaz katman ve elektrik yansıması */
.navbar-top-bar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 50%, rgba(14, 165, 233, 0.1) 0%, transparent 60%);
    pointer-events: none;
}
.navbar-custom.scrolled .navbar-top-bar {
    max-height: 0;
    opacity: 0;
    padding: 0;
    border-bottom: none;
}

/* Genişletilmiş Logo (Üst katman) */
.navbar-brand-expanded {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: var(--brand-navy) !important;
}
.navbar-brand-expanded .navbar-logo-big {
    width: 84px;
    height: 84px;
    object-fit: contain;
}
.navbar-firm-name {
    display: block;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--brand-navy);
    letter-spacing: -0.03em;
    line-height: 1.15;
}
.navbar-firm-slogan {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--brand-text-muted);
    letter-spacing: 0.01em;
    margin-top: 2px;
}

/* Tek Büyük Ürün Görseli (Sağdan sola genişleyen yatay görsel) */
.navbar-hero-img {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex: 1;
    max-width: 680px;
    height: 190px;
    margin-left: 2rem;
}
.navbar-hero-img img {
    width: auto;
    max-width: 100%;
    height: 190px;
    object-fit: contain;
    object-position: right center;
    border: none;
    box-shadow: none;
    background: transparent;
    transition: transform 0.3s ease;
}
.navbar-hero-img img:hover {
    transform: scale(1.02);
}

/* --- Alt Katman (Sekmeler) --- */
.navbar-bottom-bar {
    width: 100%;
    padding: 0;
    border-top: 2px solid var(--brand-accent);
    background: rgba(3, 105, 161, 0.03);
}

/* Kompakt Logo (Scroll sonrası görünen küçük logo) */
.navbar-brand-compact {
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--brand-navy) !important;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.02em;
    text-decoration: none;
    white-space: nowrap;
}
.navbar-brand-compact img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}
/* Scroll olmadan kompakt logo gizli */
.navbar-brand-compact.d-none {}
.navbar-custom.scrolled .navbar-brand-compact {
    display: flex !important;
}

/* Nav Linkleri */
.navbar-custom .nav-link {
    color: var(--brand-text-muted) !important;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.7rem 1.15rem !important;
    position: relative;
    transition: var(--brand-transition);
}
/* Nav Item Separator (pipe style) */
@media (min-width: 992px) {
    .navbar-nav-separated .nav-item + .nav-item {
        border-left: 1px solid var(--brand-border);
    }
}
@media (max-width: 991.98px) {
    .navbar-nav-separated .nav-item + .nav-item {
        border-top: 1px solid var(--brand-border);
    }
    .navbar-nav-separated .nav-item {
        width: 100%;
        text-align: center;
    }
}
.navbar-custom .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--brand-accent);
    transition: var(--brand-transition);
    transform: translateX(-50%);
    border-radius: 2px;
}
.navbar-custom .nav-link:hover,
.navbar-custom .nav-link.active {
    color: var(--brand-accent) !important;
}
.navbar-custom .nav-link:hover::after,
.navbar-custom .nav-link.active::after {
    width: 60%;
}
.navbar-toggler {
    border: 1px solid var(--brand-border) !important;
}
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%230f172a' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* ===== SIMPLE HERO SECTION ===== */
.simple-hero-section {
    padding-top: 320px; /* Büyük navbara göre boşluk bırakıldı */
    padding-bottom: 80px;
    background-color: #ffffff;
}

.hero-text-col {
    padding-right: 3rem;
}

.hero-subtitle-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--brand-accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.simple-hero-section .hero-main-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 800;
    color: var(--brand-navy);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.simple-hero-section .hero-desc {
    font-size: 1.1rem;
    color: var(--brand-text-secondary);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.simple-hero-section .hero-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn-solid-primary {
    background-color: var(--brand-accent);
    color: #ffffff;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid var(--brand-accent);
    text-decoration: none;
    transition: all 0.2s ease;
}
.btn-solid-primary:hover {
    background-color: transparent;
    color: var(--brand-accent);
}

.btn-solid-secondary {
    background-color: transparent;
    color: var(--brand-navy);
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid #e2e8f0;
    text-decoration: none;
    transition: all 0.2s ease;
}
.btn-solid-secondary:hover {
    border-color: var(--brand-navy);
}

.hero-image-wrapper {
    width: 100%;
}
.hero-main-img {
    width: 100%;
    height: auto;
    object-fit: contain;
    max-height: 500px;
    display: block;
}

.simple-trust-bar {
    display: flex;
    gap: 4rem;
    padding-top: 3rem;
    border-top: 1px solid #e2e8f0;
}

.simple-trust-bar .trust-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.simple-trust-bar .trust-item strong {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--brand-navy);
}

.simple-trust-bar .trust-item span {
    font-size: 0.9rem;
    color: var(--brand-text-muted);
}

@media (max-width: 991.98px) {
    .simple-hero-section {
        padding-top: 130px;
    }
    .hero-text-col {
        padding-right: calc(var(--bs-gutter-x) * .5);
        margin-bottom: 3rem;
    }
    .simple-trust-bar {
        flex-direction: column;
        gap: 1.5rem;
    }
}

/* ===== SECTION GENERAL ===== */
.section-padding { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--brand-accent);
    margin-bottom: 1rem;
}
.section-label i { font-size: 0.5rem; }
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--brand-navy);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}
.section-desc {
    font-size: 1.05rem;
    color: var(--brand-text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}
.bg-alt { background: var(--brand-bg-alt); }

/* ===== SERVICE CARDS ===== */
.service-card {
    background: var(--brand-surface);
    border: 1px solid var(--brand-border);
    border-radius: var(--brand-radius);
    padding: 2.5rem 2rem;
    transition: var(--brand-transition);
    height: 100%;
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--brand-gradient);
    transform: scaleX(0);
    transition: var(--brand-transition);
    transform-origin: left;
}
.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--brand-border-hover);
    box-shadow: var(--brand-shadow-lg);
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon-wrapper {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--brand-radius);
    background: var(--brand-accent-light);
    color: var(--brand-accent);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    transition: var(--brand-transition);
}
.service-card:hover .service-icon-wrapper {
    background: var(--brand-accent);
    color: white;
    box-shadow: 0 4px 16px rgba(3, 105, 161, 0.25);
}
.service-card h3 {
    font-size: 1.25rem; font-weight: 700;
    color: var(--brand-navy); margin-bottom: 0.75rem;
}
.service-card p {
    color: var(--brand-text-muted); font-size: 0.93rem; line-height: 1.65;
}

/* ===== STAT CARDS ===== */
.stat-card {
    background: var(--brand-surface);
    border: 1px solid var(--brand-border);
    border-radius: var(--brand-radius);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--brand-transition);
}
.stat-card:hover {
    border-color: var(--brand-accent);
    transform: translateY(-4px);
    box-shadow: var(--brand-shadow);
}
.stat-card h3 {
    font-size: 2.8rem; font-weight: 900;
    color: var(--brand-accent); margin-bottom: 0.25rem;
}
.stat-card p {
    font-size: 0.9rem; font-weight: 600;
    color: var(--brand-text-muted);
}

/* ===== CATALOG CARDS ===== */
.catalog-card {
    background: var(--brand-surface);
    border: 1px solid var(--brand-border);
    border-radius: var(--brand-radius);
    overflow: hidden;
    transition: var(--brand-transition);
    height: 100%;
}
.catalog-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--brand-shadow-lg);
    border-color: var(--brand-border-hover);
}
.catalog-card-img {
    height: 180px;
    background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 100%);
    display: flex; align-items: center; justify-content: center;
    font-size: 3rem; color: var(--brand-accent);
}
.catalog-card-body { padding: 1.5rem; }
.catalog-card-body h3 {
    font-size: 1.1rem; font-weight: 700;
    color: var(--brand-navy); margin-bottom: 0.5rem;
}
.catalog-card-body p {
    font-size: 0.88rem; color: var(--brand-text-muted); line-height: 1.6;
}

/* ===== BUTTONS ===== */
.btn-brand {
    background: var(--brand-accent);
    color: white; border: none;
    padding: 12px 28px;
    font-weight: 600; font-size: 0.95rem;
    border-radius: 10px;
    transition: var(--brand-transition);
    display: inline-flex; align-items: center; gap: 8px;
    text-decoration: none;
}
.btn-brand:hover {
    background: var(--brand-accent-hover);
    color: white;
    box-shadow: 0 4px 20px rgba(3, 105, 161, 0.3);
    transform: translateY(-2px);
}
.btn-outline-brand {
    background: transparent;
    color: var(--brand-accent);
    border: 1.5px solid var(--brand-accent);
    padding: 12px 28px;
    font-weight: 600; font-size: 0.95rem;
    border-radius: 10px;
    transition: var(--brand-transition);
    display: inline-flex; align-items: center; gap: 8px;
    text-decoration: none;
}
.btn-outline-brand:hover {
    background: var(--brand-accent);
    color: white;
    transform: translateY(-2px);
}

.btn-modern-primary {
    background: var(--brand-accent);
    color: white; border: none;
    padding: 14px 32px;
    font-weight: 700; font-size: 1rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    display: inline-flex; align-items: center; gap: 8px;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(3, 105, 161, 0.25);
}
.btn-modern-primary:hover {
    background: var(--brand-accent-hover);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(3, 105, 161, 0.35);
}

.btn-modern-outline {
    background: white;
    color: var(--brand-navy);
    border: 1px solid var(--brand-border);
    padding: 14px 32px;
    font-weight: 700; font-size: 1rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    display: inline-flex; align-items: center; gap: 8px;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}
.btn-modern-outline:hover {
    background: var(--brand-surface);
    color: var(--brand-accent);
    border-color: var(--brand-accent);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(3, 105, 161, 0.12);
}

/* ===== CATALOG CONTROL PANEL (Unified Search & Filter) ===== */
.catalog-control-panel {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 1rem 1.25rem;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.catalog-control-panel:hover {
    border-color: #cbd5e1;
    box-shadow: 0 14px 36px rgba(15, 23, 42, 0.08);
}

.search-input-box {
    position: relative;
    width: 100%;
}

.search-input-box input {
    width: 100%;
    height: 48px;
    padding: 0 2.5rem 0 2.75rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--brand-navy);
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    transition: all 0.25s ease;
}

.search-input-box input:focus {
    outline: none;
    background: #ffffff;
    border-color: var(--brand-accent);
    box-shadow: 0 0 0 3px rgba(3, 105, 161, 0.12);
}

.search-input-box .search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.1rem;
    color: var(--brand-accent);
    pointer-events: none;
}

.search-input-box .search-clear-btn {
    position: absolute;
    right: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 1rem;
    cursor: pointer;
    display: none;
    padding: 4px;
    line-height: 1;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.search-input-box .search-clear-btn:hover {
    color: #ef4444;
    background: #fee2e2;
}

/* Segmented Control Buttons */
.filter-segmented-group {
    background: #f1f5f9;
    padding: 4px;
    border-radius: 14px;
    display: flex;
    gap: 4px;
}

.segmented-btn {
    flex: 1;
    border: none;
    background: transparent;
    color: #64748b;
    font-size: 0.88rem;
    font-weight: 600;
    padding: 10px 14px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    white-space: nowrap;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.segmented-btn:hover {
    color: var(--brand-navy);
}

.segmented-btn.active {
    background: #ffffff;
    color: var(--brand-navy);
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot-guncel {
    background: #10b981;
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.5);
}

.status-dot-eski {
    background: #f59e0b;
    box-shadow: 0 0 6px rgba(245, 158, 11, 0.5);
}

.search-results-badge {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--brand-text-muted);
    margin-bottom: 1.5rem;
}

.search-results-badge span {
    color: var(--brand-accent);
    font-weight: 700;
}

/* ===== PAGE HEADER (Inner Pages) ===== */
.page-hero {
    padding: 320px 0 80px; /* Büyük navbara göre boşluk bırakıldı (daha ferah) */
    background: linear-gradient(160deg, #ffffff 0%, #e0f2fe 100%);
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(3, 105, 161, 0.06) 0%, transparent 70%);
}
.page-hero h1 {
    font-size: 2.8rem; font-weight: 900;
    color: var(--brand-navy); letter-spacing: -0.02em;
}
.page-hero .lead {
    color: var(--brand-text-muted);
    font-size: 1.1rem; max-width: 600px;
}
.page-breadcrumb { font-size: 0.85rem; margin-bottom: 1rem; }
.page-breadcrumb a {
    color: var(--brand-text-muted);
    text-decoration: none; transition: var(--brand-transition);
}
.page-breadcrumb a:hover { color: var(--brand-accent); }
.page-breadcrumb .separator { color: var(--brand-text-muted); margin: 0 8px; }
.page-breadcrumb .current { color: var(--brand-accent); font-weight: 600; }

/* ===== ABOUT CONTENT ===== */
.about-feature {
    display: flex; gap: 1.5rem;
    align-items: flex-start; margin-bottom: 2rem;
}
.about-feature-icon {
    width: 48px; height: 48px; min-width: 48px;
    border-radius: var(--brand-radius);
    background: var(--brand-accent-light);
    color: var(--brand-accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem;
}
.about-feature h4 {
    font-size: 1.1rem; font-weight: 700;
    color: var(--brand-navy); margin-bottom: 0.35rem;
}
.about-feature p {
    font-size: 0.92rem; color: var(--brand-text-muted); line-height: 1.65;
}
.cert-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--brand-bg-alt);
    border: 1px solid var(--brand-border);
    padding: 10px 18px; border-radius: 10px;
    font-size: 0.88rem; font-weight: 600;
    color: var(--brand-text-secondary);
    transition: var(--brand-transition);
}
.cert-badge:hover {
    border-color: var(--brand-accent);
    background: var(--brand-accent-light);
    color: var(--brand-accent);
}
.cert-badge i { color: #f59e0b; }

/* ===== CONTACT ===== */
.contact-card {
    background: var(--brand-surface);
    border: 1px solid var(--brand-border);
    border-radius: var(--brand-radius);
    padding: 2rem; transition: var(--brand-transition);
    height: 100%;
}
.contact-card:hover {
    border-color: var(--brand-accent);
    box-shadow: var(--brand-shadow);
}
.contact-card .icon {
    width: 48px; height: 48px;
    border-radius: var(--brand-radius);
    background: var(--brand-accent-light);
    color: var(--brand-accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem; margin-bottom: 1rem;
}
.contact-card h5 { font-weight: 700; color: var(--brand-navy); margin-bottom: 0.5rem; }
.contact-card p { color: var(--brand-text-muted); font-size: 0.92rem; }

/* Form */
.form-control-custom {
    background: var(--brand-bg-alt) !important;
    border: 1px solid var(--brand-border) !important;
    color: var(--brand-text) !important;
    padding: 14px 18px; border-radius: 10px;
    font-size: 0.93rem; transition: var(--brand-transition);
}
.form-control-custom::placeholder { color: var(--brand-text-muted); }
.form-control-custom:focus {
    border-color: var(--brand-accent) !important;
    box-shadow: 0 0 0 3px var(--brand-accent-glow) !important;
    background: var(--brand-white) !important;
    outline: none;
}
.form-label-brand {
    font-weight: 600; font-size: 0.88rem;
    color: var(--brand-text-secondary); margin-bottom: 0.5rem;
}

/* Map */
.map-wrapper {
    border-radius: var(--brand-radius);
    overflow: hidden;
    border: 1px solid var(--brand-border);
    box-shadow: var(--brand-shadow);
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: var(--brand-gradient);
    padding: 80px 0;
}
.cta-section h2 { color: white; }
.cta-section p { color: rgba(255,255,255,0.85); }
.cta-section .btn-cta {
    background: white;
    color: var(--brand-accent);
    border: none;
    padding: 14px 32px;
    font-weight: 700; font-size: 1rem;
    border-radius: 10px;
    transition: var(--brand-transition);
    display: inline-flex; align-items: center; gap: 8px;
    text-decoration: none;
}
.cta-section .btn-cta:hover {
    background: rgba(255,255,255,0.9);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* ===== FOOTER ===== */
.footer-custom {
    background: var(--brand-navy);
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 4rem 0 2rem;
}
.footer-brand {
    font-size: 1.2rem; font-weight: 800;
    color: white; display: flex;
    align-items: center; gap: 10px;
    margin-bottom: 1rem;
}
.footer-brand img { width: 36px; height: 36px; object-fit: contain; }
.footer-desc {
    color: #94a3b8; font-size: 0.88rem;
    line-height: 1.7; max-width: 300px;
}
.footer-heading {
    font-size: 0.9rem; font-weight: 700;
    color: white; text-transform: uppercase;
    letter-spacing: 0.08em; margin-bottom: 1.25rem;
}
.footer-link {
    display: block; color: #94a3b8;
    font-size: 0.88rem; text-decoration: none;
    padding: 5px 0; transition: var(--brand-transition);
}
.footer-link:hover { color: #0ea5e9; padding-left: 5px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 2rem; margin-top: 3rem;
}
.footer-bottom p { color: #94a3b8; font-size: 0.82rem; }
.footer-socials a {
    color: #94a3b8; font-size: 1.15rem;
    transition: var(--brand-transition); margin-left: 1rem;
}
.footer-socials a:hover { color: #0ea5e9; }

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
    opacity: 0; transform: translateY(25px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== PRODUCT CARDS (Catalog) ===== */
.product-card {
    background: var(--brand-surface);
    border: 1px solid var(--brand-border);
    border-radius: var(--brand-radius);
    overflow: hidden;
    transition: var(--brand-transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--brand-shadow-lg);
    border-color: var(--brand-border-hover);
}
/* Blur-backdrop resim containerı */
.product-card-img {
    height: 240px;
    position: relative;
    overflow: hidden;
    background: var(--brand-bg-alt);
}
/* Blur katmanı: aynı resim, blur ve scale ile arka plan dolduruyor */
.product-card-img::before {
    content: '';
    position: absolute;
    inset: -10px;
    background-image: var(--thumb-src);
    background-size: cover;
    background-position: center;
    filter: blur(18px) brightness(0.85);
    transform: scale(1.1);
    z-index: 0;
    transition: opacity 0.3s ease;
}
/* Ön planda gerçek resim: tümü görünsün, kesilmesin */
.product-card-img img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
    transition: transform 0.5s ease;
}
.product-card:hover .product-card-img img {
    transform: scale(1.04);
}
.product-category {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--brand-accent);
    border: 1px solid var(--brand-border);
}
.product-card-body {
    padding: 1.75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.product-card-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--brand-navy);
    margin-bottom: 0.75rem;
    line-height: 1.4;
    min-height: calc(1.15rem * 1.4 * 3);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.product-card-body p {
    font-size: 0.9rem;
    color: var(--brand-text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}
.product-card-body .btn-brand.btn-sm {
    padding: 10px 20px;
    font-size: 0.88rem;
    align-self: flex-start;
}

/* ===== PRODUCT DETAIL PAGE ===== */
.product-gallery {
    position: relative;
}

/* Sticky behavior for desktop */
@media (min-width: 992px) {
    .product-gallery {
        position: sticky;
        top: 110px;
        z-index: 10;
    }
}
/* Ana görsel çerçevesi */
.product-main-img {
    width: 100%;
    height: 450px;
    border-radius: var(--brand-radius);
    overflow: hidden;
    border: 1px solid var(--brand-border);
    background: var(--brand-bg-alt);
    margin-bottom: 1rem;
    position: relative;
    cursor: zoom-in;
}
/* Blur arka plan */
.product-main-img::before {
    content: '';
    position: absolute;
    inset: -10px;
    background-image: var(--main-src);
    background-size: cover;
    background-position: center;
    filter: blur(22px) brightness(0.8);
    transform: scale(1.1);
    z-index: 0;
    transition: background-image 0.2s ease;
}
/* Gerçek resim */
.product-main-img img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 12px;
    transition: opacity 0.2s ease;
}
/* Zoom ipucu */
.product-main-img::after {
    content: '🔍 Büyüt';
    position: absolute;
    bottom: 12px;
    right: 12px;
    z-index: 2;
    background: rgba(0,0,0,0.45);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}
.product-main-img:hover::after {
    opacity: 1;
}
/* Thumbnail'lar */
.product-thumbnails {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 4px;
}
.product-thumb {
    width: 90px;
    height: 70px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid var(--brand-border);
    cursor: pointer;
    transition: var(--brand-transition);
    flex-shrink: 0;
    position: relative;
    background: var(--brand-bg-alt);
}
/* Thumbnail blur bg */
.product-thumb::before {
    content: '';
    position: absolute;
    inset: -5px;
    background-image: var(--thumb-src);
    background-size: cover;
    background-position: center;
    filter: blur(10px) brightness(0.8);
    transform: scale(1.15);
    z-index: 0;
}
.product-thumb:hover,
.product-thumb.active {
    border-color: var(--brand-accent);
    box-shadow: 0 0 0 2px var(--brand-accent-glow);
}
.product-thumb img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
}

/* Specs Table */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}
.specs-table tr {
    border-bottom: 1px solid var(--brand-border);
}
.specs-table tr:last-child {
    border-bottom: none;
}
.specs-table td {
    padding: 12px 0;
    font-size: 0.92rem;
}
.spec-key {
    font-weight: 600;
    color: var(--brand-navy);
    width: 45%;
}
.spec-value {
    color: var(--brand-text-muted);
}

/* Product Description */
.product-description-text {
    color: var(--brand-text-muted);
    line-height: 1.85;
    margin-bottom: 2rem;
    font-size: 1.05rem;
    white-space: pre-line;
}
.product-description-text strong,
.product-description-text b {
    color: var(--brand-navy);
    font-weight: 700;
}

/* ===== LIGHTBOX ===== */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    backdrop-filter: blur(6px);
}
.lightbox-overlay.active {
    opacity: 1;
    pointer-events: all;
}
.lightbox-img-wrap {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.lightbox-img-wrap img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.6);
    user-select: none;
}
.lightbox-close {
    position: fixed;
    top: 20px; right: 24px;
    width: 44px; height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    color: white;
    font-size: 1.4rem;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
    z-index: 10000;
}
.lightbox-close:hover { background: rgba(255,255,255,0.28); }
.lightbox-nav {
    position: fixed;
    top: 50%; transform: translateY(-50%);
    width: 48px; height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    color: white;
    font-size: 1.4rem;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
    z-index: 10000;
}
.lightbox-nav:hover { background: rgba(255,255,255,0.28); }
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }
.lightbox-counter {
    position: fixed;
    bottom: 20px; left: 50%; transform: translateX(-50%);
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 10000;
    background: rgba(0,0,0,0.4);
    padding: 4px 14px;
    border-radius: 20px;
}

/* ===== HERO SHOWCASE (Modern Tasarım) ===== */
.hero-showcase {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.showcase-main {
    position: relative;
    width: 80%;
    height: 400px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(3, 105, 161, 0.15);
    border: 1px solid rgba(255,255,255,0.6);
}
.showcase-floating-card {
    position: absolute;
    bottom: 20px;
    left: -10%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    padding: 16px 24px;
    border-radius: 16px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.08);
    z-index: 10;
    animation: floatAnim 6s ease-in-out infinite;
}
.showcase-floating-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--brand-navy);
}
.showcase-floating-card .floating-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--brand-accent-light);
    color: var(--brand-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}
.showcase-floating-img {
    position: absolute;
    top: -30px;
    right: -8%;
    width: 240px;
    height: 180px;
    border-radius: 16px;
    border: 4px solid #ffffff;
    box-shadow: 0 16px 32px rgba(3, 105, 161, 0.12);
    z-index: 10;
    overflow: hidden;
    animation: floatAnim2 7s ease-in-out infinite alternate;
}
@keyframes floatAnim {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
    100% { transform: translateY(0px); }
}
@keyframes floatAnim2 {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(15px) rotate(2deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

/* ===== GLOBAL BLUR WRAPPER ===== */
.global-blur-wrap {
    position: relative;
    overflow: hidden;
    background: transparent;
}
.global-blur-wrap {
    position: relative;
    isolation: isolate;
}
.global-blur-wrap::before {
    content: '';
    position: absolute;
    inset: -20px;
    background-image: var(--blur-src);
    background-size: cover;
    background-position: center;
    filter: blur(24px) saturate(1.3) brightness(0.95);
    transform: scale(1.05);
    opacity: 0.8;
    z-index: 0;
}
.global-blur-wrap img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 0; /* Padding kaldırıldı, blur ve resim pürüzsüz birleşecek */
    filter: drop-shadow(0 15px 30px rgba(0,0,0,0.15)); /* Resmin kendi blurundan ayrışıp öne çıkmasını sağlar */
}

/* ===== ABOUT IMAGE WRAPPER ===== */
.about-img-wrapper {
    position: relative;
    height: 420px;
}
.about-img-main {
    position: absolute;
    top: 0; right: 0;
    width: 85%;
    height: 380px;
    border-radius: var(--brand-radius);
    box-shadow: var(--brand-shadow-lg);
    border: 1px solid var(--brand-border);
    z-index: 1;
}
.about-img-badge {
    position: absolute;
    bottom: 0; left: 0;
    width: 46%;
    height: 200px;
    border-radius: var(--brand-radius);
    box-shadow: var(--brand-shadow-lg);
    border: 4px solid var(--brand-bg);
    z-index: 2;
}

/* ===== BODY TEXT ===== */
.section-body-text {
    font-size: 1rem;
    color: var(--brand-text-muted);
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

/* ===== ABOUT CERTS (Ana Sayfa) ===== */
.about-certs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 1.5rem;
}

/* ===== CERT CARDS (Hakkımızda) ===== */
.cert-card {
    background: var(--brand-surface);
    border: 1px solid var(--brand-border);
    border-radius: var(--brand-radius);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--brand-transition);
    height: 100%;
}
.cert-card:hover {
    border-color: var(--brand-accent);
    transform: translateY(-4px);
    box-shadow: var(--brand-shadow);
}
.cert-card-icon {
    width: 56px; height: 56px;
    border-radius: var(--brand-radius);
    background: var(--brand-accent-light);
    color: var(--brand-accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}
.cert-card h5 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--brand-navy);
    margin-bottom: 0.4rem;
}
.cert-card p {
    font-size: 0.85rem;
    color: var(--brand-text-muted);
    margin: 0;
}

/* ===== SERVICE DETAIL (Hizmetler sayfası) ===== */
.service-detail-block {
    padding: 3.5rem 0;
}
.service-detail-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--brand-navy);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}
.service-detail-img {
    width: 100%;
    height: 340px;
    object-fit: cover;
    border-radius: var(--brand-radius);
    box-shadow: var(--brand-shadow-lg);
    border: 1px solid var(--brand-border);
}
.service-list {
    list-style: none;
    padding: 0;
    margin: 1.25rem 0 0;
}
.service-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 0;
    color: var(--brand-text-muted);
    font-size: 0.93rem;
    border-bottom: 1px solid var(--brand-bg-alt);
}
.service-list li:last-child { border-bottom: none; }
.service-list li i {
    color: var(--brand-accent);
    font-size: 0.9rem;
    flex-shrink: 0;
}
.section-divider {
    border: none;
    border-top: 1px solid var(--brand-border);
    margin: 0;
}

/* ===== CONTACT INFO LIST (İletişim sayfası) ===== */
.contact-info-list {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0;
}
.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.1rem 0;
    border-bottom: 1px solid var(--brand-border);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-info-icon {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: var(--brand-accent-light);
    color: var(--brand-accent);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.contact-info-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--brand-text-muted);
    margin-bottom: 3px;
}
.contact-info-value {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--brand-navy);
    text-decoration: none;
    line-height: 1.5;
}
a.contact-info-value:hover { color: var(--brand-accent); }
.contact-address-sub {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--brand-accent);
    background: var(--brand-accent-light);
    padding: 3px 10px;
    border-radius: 6px;
    margin-top: 6px;
}

/* ===== CTA OUTLINE BUTTON ===== */
.btn-cta-outline {
    background: rgba(255,255,255,0.12);
    color: white;
    border: 1.5px solid rgba(255,255,255,0.5);
    padding: 14px 32px;
    font-weight: 700; font-size: 1rem;
    border-radius: 10px;
    transition: var(--brand-transition);
    display: inline-flex; align-items: center; gap: 8px;
    text-decoration: none;
}
.btn-cta-outline:hover {
    background: rgba(255,255,255,0.22);
    color: white;
    border-color: white;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .hero-section { padding-top: 100px; } /* Mobilde üst bant gizli, boşluk azaltıldı */
    .hero-title { font-size: 2.5rem; }
    .section-title { font-size: 2rem; }
    .navbar-collapse { background: white; padding: 1rem; border-radius: 12px; margin-top: 0.5rem; box-shadow: var(--brand-shadow-lg); }
    .navbar-custom {
        transform: translate3d(0, 0, 0);
        -webkit-transform: translate3d(0, 0, 0);
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background: rgba(255, 255, 255, 0.98) !important;
    }
    .navbar-top-bar { display: none !important; }
    .navbar-brand-compact { display: flex !important; }
    .hero-image-grid { height: 280px; }
    .hero-img-main { height: 240px; }
    .hero-img-side { height: 150px; }
    .about-img-wrapper { height: 300px; }
    .about-img-main { height: 270px; }
    .about-img-badge { height: 150px; }
    .page-hero { padding: 130px 0 60px; } /* Mobilde üst bant gizli, boşluk azaltıldı */
}
@media (max-width: 768px) {
    .section-padding { padding: 60px 0; }
    .hero-image-grid { display: none; }
    .about-img-wrapper { height: 260px; margin-bottom: 2rem; }
    .about-img-main { height: 220px; }
    .about-img-badge { height: 120px; }
    .page-hero { padding: 120px 0 50px; }
    .page-hero h1 { font-size: 1.8rem; }
    .service-detail-img { height: 220px; }
    .service-card { padding: 1.5rem 1.25rem; }
    .service-card h3 { font-size: 1.15rem; }
    .service-icon-wrapper { width: 48px; height: 48px; font-size: 1.25rem; margin-bottom: 1rem; }
}