/* --- Global & Theme Adjustments --- */
:root {
    --bg-deep: #050a10;
    --bg-surface: rgba(30, 41, 59, 0.4);
    --electric-blue: #60a5fa;
    --electric-purple: #a855f7;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
}

body {
    background-color: var(--bg-deep);
    color: var(--text-main);
}

.about-hero {
    background: linear-gradient(135deg, var(--electric-blue) 0%, var(--electric-purple) 100%);
    color: white;
    padding: 4rem 0 3rem;
    margin-bottom: 0;
    /* margin-top: -90px; */
    padding-top: calc(4rem + 90px);
}

.about-hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.about-hero .lead {
    font-size: clamp(1.125rem, 2.5vw, 1.4rem);
    opacity: 0.95;
    max-width: 900px;
    margin: 0 auto 1.5rem;
    line-height: 1.6;
}

.about-hero p {
    font-size: clamp(1rem, 2vw, 1.1rem);
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: #f8fafc;
    margin-bottom: 1.25rem;
    text-align: center;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: #cbd5e1;
    text-align: center;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.content-section {
    padding: 5rem 0;
}

    .content-section.gray-bg {
        background: rgba(30, 41, 59, 0.3);
    }

.service-card {
    background: rgba(30, 41, 59, 0.5);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
    height: 100%;
}

    .service-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
        border-color: rgba(96, 165, 250, 0.3);
        background: rgba(30, 41, 59, 0.6);
    }

    .service-card h4 {
        color: var(--electric-blue);
        font-size: clamp(1.25rem, 2.5vw, 1.5rem);
        margin-bottom: 1rem;
        font-weight: 600;
    }

    .service-card p {
        color: #cbd5e1;
        line-height: 1.7;
        margin: 0;
    }

.timeline {
    position: relative;
    padding: 40px 0;
}

.timeline-item {
    margin-bottom: 50px;
    padding-left: 70px;
    position: relative;
}

    .timeline-item::before {
        content: '';
        position: absolute;
        left: 25px;
        top: 0;
        bottom: -50px;
        width: 3px;
        background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    }

    .timeline-item:last-child::before {
        display: none;
    }

.timeline-dot {
    position: absolute;
    left: 12px;
    top: 8px;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    border: 5px solid white;
    box-shadow: 0 0 0 3px #667eea;
}

.timeline-item h5 {
    color: #667eea;
    margin-bottom: 10px;
    font-weight: 700;
    font-size: 1.3rem;
}

.timeline-item p {
    color: #4a5568;
    line-height: 1.8;
    font-size: 1.05rem;
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

.industry-item {
    background: white;
    padding: 30px 20px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
}

    .industry-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 25px rgba(0,0,0,0.12);
    }

    .industry-item i {
        font-size: 2.8rem;
        margin-bottom: 15px;
        display: block;
    }

    .industry-item h5 {
        margin: 0;
        color: #2d3748;
        font-weight: 600;
        font-size: 1.1rem;
    }

.product-card {
    background: white;
    border-left: 4px solid #667eea;
    padding: 25px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: all 0.3s;
}

    .product-card:hover {
        box-shadow: 0 5px 20px rgba(0,0,0,0.12);
        transform: translateX(5px);
    }

    .product-card h5 {
        color: #2d3748;
        margin-bottom: 10px;
        font-weight: 600;
    }

    .product-card p {
        color: #718096;
        margin: 0;
        line-height: 1.6;
    }

    .product-card .badge {
        background: #667eea;
        color: white;
        padding: 4px 12px;
        border-radius: 12px;
        font-size: 0.85rem;
        font-weight: 600;
        margin-right: 8px;
    }

.tech-stack {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.tech-category {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
}

    .tech-category h5 {
        color: #667eea;
        font-size: 1.3rem;
        margin-bottom: 15px;
        font-weight: 600;
    }

    .tech-category ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .tech-category li {
        padding: 8px 0;
        color: #4a5568;
        font-size: 1.05rem;
    }

        .tech-category li::before {
            content: "▸";
            color: #667eea;
            margin-right: 10px;
            font-weight: bold;
        }

.stats-bar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
    margin: 80px 0;
}

.stat-item {
    text-align: center;
    padding: 20px;
}

    .stat-item .stat-number {
        font-size: 3rem;
        font-weight: 700;
        display: block;
        margin-bottom: 10px;
    }

    .stat-item .stat-label {
        font-size: 1.1rem;
        opacity: 0.95;
    }

.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
    border-radius: 20px;
    margin: 60px 0;
}

    .cta-section h2 {
        font-size: 2.8rem;
        margin-bottom: 20px;
        font-weight: 700;
    }

    .cta-section p {
        font-size: 1.3rem;
        margin-bottom: 35px;
        opacity: 0.95;
    }

.btn-cta {
    background: white;
    color: #667eea;
    padding: 18px 50px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

    .btn-cta:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 25px rgba(0,0,0,0.3);
        color: #667eea;
        text-decoration: none;
    }

.value-box {
    background: white;
    padding: 35px;
    border-radius: 12px;
    margin-bottom: 25px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
    border-top: 4px solid #667eea;
}

    .value-box h4 {
        color: #2d3748;
        margin-bottom: 15px;
        font-size: 1.4rem;
        font-weight: 600;
    }

    .value-box p {
        color: #4a5568;
        line-height: 1.7;
        margin: 0;
    }

/* --- About Hero Section --- */
.about-hero {
    background: radial-gradient(circle at top right, #1e293b, #050a10);
    position: relative;
    padding: 120px 0 100px;
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

    .about-hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-image: radial-gradient(rgba(96, 165, 250, 0.05) 1px, transparent 1px);
        background-size: 40px 40px;
    }

    .about-hero h1 {
        font-size: clamp(3rem, 6vw, 4.5rem);
        background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        font-weight: 800;
        margin-bottom: 1.5rem;
    }

    .about-hero .lead {
        font-size: clamp(1.125rem, 2.5vw, 1.4rem);
        color: var(--text-main);
        opacity: 1; /* Sönük olmaması için */
        max-width: 900px;
        margin: 0 auto 1.5rem;
    }

    .about-hero p {
        font-size: clamp(1rem, 2vw, 1.1rem);
        color: var(--text-muted);
        max-width: 800px;
    }

/* --- Section Headers --- */
.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    background: linear-gradient(to right, #fff, var(--electric-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.25rem;
    text-align: center;
}

.section-subtitle {
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 3.5rem;
    font-size: 1.15rem;
}

/* --- Content Sections --- */
.content-section {
    padding: 6rem 0;
}

    .content-section.gray-bg {
        background: rgba(15, 23, 42, 0.5); /* Koyu gri/lacivert geçiş */
    }

/* --- Modern Glass Cards (Service, Industry, Value Boxes) --- */
.service-card, .value-box, .industry-item, .tech-category, .product-card {
    background: var(--bg-surface) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    border-radius: 20px !important;
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    height: 100%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

    .service-card:hover, .value-box:hover, .industry-item:hover {
        transform: translateY(-10px);
        border-color: var(--electric-blue) !important;
        background: rgba(30, 41, 59, 0.6) !important;
        box-shadow: 0 15px 40px rgba(96, 165, 250, 0.15);
    }

    .service-card h4, .value-box h4, .tech-category h5 {
        color: var(--electric-blue);
        font-weight: 700;
        margin-bottom: 1.2rem;
    }

    .service-card p, .value-box p, .industry-item h5, .tech-category li {
        color: var(--text-muted) !important;
        line-height: 1.7;
    }

/* --- Timeline Modernization --- */
.timeline-item::before {
    background: linear-gradient(180deg, var(--electric-blue), transparent);
    width: 2px;
    box-shadow: 0 0 15px rgba(96, 165, 250, 0.3);
}

.timeline-dot {
    background: var(--electric-blue);
    box-shadow: 0 0 20px var(--electric-blue);
    border: 4px solid var(--bg-deep);
}

.timeline-item h5 {
    color: var(--text-main);
    font-size: 1.4rem;
}

.timeline-item p {
    color: var(--text-muted);
}

/* --- Stats Bar --- */
.stats-bar {
    background: #0a0f18;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 80px 0;
}

.stat-item .stat-number {
    font-size: 3.5rem;
    background: linear-gradient(135deg, var(--electric-blue), var(--electric-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

/* --- Industry Icons --- */
.industry-item i {
    color: var(--electric-blue) !important; /* Standart ikon renklerini ezmek için */
    filter: drop-shadow(0 0 10px rgba(96, 165, 250, 0.3));
}

/* --- CTA Section --- */
.cta-section {
    background: radial-gradient(circle at center, #1e293b 0%, #0a0f18 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.btn-cta {
    background: var(--electric-blue);
    color: white !important;
    border: none;
    box-shadow: 0 0 20px rgba(96, 165, 250, 0.4);
}

    .btn-cta:hover {
        background: #3b82f6;
        box-shadow: 0 0 30px rgba(96, 165, 250, 0.6);
    }

/* --- Special Content Highlight --- */
strong {
    color: var(--electric-blue);
    font-weight: 600;
}