/* =========================================
   1. HAKKIMIZDA - HERO (VİZYON) ALANI
   ========================================= */
.about-hero {
    background: radial-gradient(circle at 50% 0%, #1e1b4b 0%, var(--primary-color) 70%);
    padding: clamp(100px, 15vh, 160px) 0 clamp(80px, 12vh, 120px);
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.about-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 1;
    pointer-events: none;
}

.about-hero .container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.about-hero .badge-accent {
    margin: 0 auto 32px auto;
}

.about-hero .hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.1;
    letter-spacing: -0.04em;
}

.about-hero .hero-subtitle {
    max-width: 700px;
    margin: 0 auto;
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: #94a3b8;
    line-height: 1.7;
}

/* =========================================
   2. HAKKIMIZDA - MÜHENDİSLİK ALTYAPISI 
   ========================================= */
.split-section {
    position: relative;
    overflow: hidden;
}

.split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 8vw, 80px);
    align-items: center;
}

.split-content {
    padding-right: 20px;
}

.s-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: rgba(99, 102, 241, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: transform 0.3s ease, background 0.3s ease;
}

.s-icon svg {
    width: 32px;
    height: 32px;
    transition: stroke 0.3s ease;
}

.split-content:hover .s-icon {
    transform: scale(1.05) rotate(5deg);
    background: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: 0 10px 20px -5px rgba(99, 102, 241, 0.4);
}

.split-content:hover .s-icon svg {
    stroke: var(--white);
}

.s-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.s-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 32px;
}

.s-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.s-list li {
    font-size: 1.05rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
}

.split-image-container {
    position: relative;
    z-index: 1;
}

.split-image-container .glow-bg {
    position: absolute;
    inset: -20px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    z-index: -1;
    border-radius: 50%;
    filter: blur(40px);
    pointer-events: none;
}

.split-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    border: 1px solid var(--border-color);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    display: block;
    will-change: transform;
}

.split-image-container:hover .split-image {
    transform: translateY(-8px);
}

@media (max-width: 992px) {
    .split-grid {
        grid-template-columns: 1fr;
        gap: 64px;
        text-align: center;
    }

    .split-content {
        padding-right: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .s-list li {
        justify-content: center;
    }
}

/* =========================================
   3. TEMEL DEĞERLER
   ========================================= */
.features-section {
    position: relative;
    overflow: hidden;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px auto;
}

.section-header h2 {
    font-size: clamp(2.5rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.section-header p {
    font-size: 1.15rem;
    color: var(--text-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    padding: 48px 40px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: var(--white);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), #c084fc);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.08);
    border-color: transparent;
}

.feature-card:hover::before {
    opacity: 1;
}

.f-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
    transition: all 0.4s ease;
}

.feature-card:hover .f-icon {
    background: var(--accent-color);
    border-color: var(--accent-color);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 20px -5px rgba(99, 102, 241, 0.4);
}

.feature-card:hover .f-icon svg {
    stroke: var(--white);
}

.f-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--primary-color);
    transition: stroke 0.4s ease;
}

.feature-card h3 {
    font-size: 1.35rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--primary-color);
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 1rem;
    margin: 0;
}

/* =========================================
   4. HAREKETE GEÇİRİCİ (CTA) ALAN
   ========================================= */
.cta-section {
    padding: clamp(80px, 12vh, 120px) 0;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), #0f172a);
    color: var(--white);
    position: relative;
    overflow: hidden;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: clamp(300px, 50vw, 600px);
    height: clamp(300px, 50vw, 600px);
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 60%);
    filter: blur(50px);
    z-index: 1;
    pointer-events: none;
}

.cta-section .container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #ffffff, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.cta-text {
    color: #94a3b8;
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    margin-bottom: 48px;
    line-height: 1.7;
    max-width: 650px;
}

.cta-section .btn-accent {
    padding: 18px 48px;
    font-size: 1.15rem;
    font-weight: 700;
    background: var(--accent-color);
    color: var(--white) !important;
    border: none;
    border-radius: 8px;
    box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.4);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.cta-section .btn-accent:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 40px -10px rgba(99, 102, 241, 0.6);
    background: var(--accent-hover, #4f46e5);
}

.cta-section .btn-accent:active {
    transform: scale(0.95);
}

/* =========================================
   5. ABOUT HTML İÇİN OPTİMİZASYON SINIFLARI
   ========================================= */
.about-split {
    background-color: var(--bg-light);
    padding: 120px 0;
}

.about-split-img {
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(15,23,42,0.15);
}

.list-check {
    margin-right: 8px;
}

.about-features {
    padding: 120px 0;
    border-top: 1px solid var(--border-color);
}

.about-cta {
    padding: 100px 0;
}

.about-cta .cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
}

.about-cta .cta-text {
    margin-bottom: 40px;
}

.about-cta .cta-btn {
    padding: 16px 40px;
}