/* Hakkımızda Page - Ultra Premium Industrial Luxury Design [V7.0] */

/* --- 0. HERO SECTION --- */
.about-hero {
    height: 65vh;
    min-height: 480px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.about-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 30, 53, 0.92) 0%, rgba(11, 30, 53, 0.75) 100%);
    z-index: 1;
}

.about-hero .container { position: relative; z-index: 2; }

.about-hero h1 { 
    font-size: clamp(3rem, 7vw, 4.8rem); 
    font-weight: 950; 
    color: #ffffff !important; 
    text-transform: uppercase; 
    letter-spacing: -2px; 
    margin-bottom: 25px;
    text-shadow: 0 10px 30px rgba(0,0,0,0.8);
}

.breadcrumb {
    display: flex; justify-content: center; gap: 15px;
    color: rgba(255,255,255,0.8); 
    font-size: 0.95rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 3px;
}

.breadcrumb a { color: var(--accent-500); text-decoration: none; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.breadcrumb a:hover { color: #ffffff; transform: translateY(-2px); }
.breadcrumb-sep { opacity: 0.4; }

/* --- 1. FIRMA HIKAYESI (ELITE TIMELINE) --- */
.timeline-section { 
    padding: 150px 0; 
    background: var(--white); 
    position: relative;
    overflow: hidden;
}

/* Background Decoration */
.timeline-section::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(11, 30, 53, 0.02) 0%, transparent 70%);
}

.timeline-container {
    max-width: 1100px;
    margin: 80px auto 0;
    position: relative;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px; /* Belirginlik için 4px */
    background: linear-gradient(to bottom, transparent, var(--primary-900), var(--accent-500), var(--primary-900), transparent);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 45px; /* 60'tan 45'e çekildi, daha sıkı */
    position: relative;
    z-index: 2;
}

.timeline-content {
    width: 42%;
    padding: 25px 30px; /* Daha kompakt */
    background: var(--white);
    border-radius: var(--radius-sm); /* Daha premium/keskin köşeler */
    box-shadow: 0 10px 30px rgba(11, 30, 53, 0.08); /* Derin şık gölge */
    border: 1px solid rgba(11, 30, 53, 0.05);
    position: relative;
    transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.timeline-content::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px; /* İncecik degrade sınır */
    background: linear-gradient(135deg, rgba(232, 88, 15, 0.2), transparent, rgba(11, 30, 53, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.5;
}

.timeline-content::after {
    content: '';
    position: absolute;
    top: 50%; /* Tam ortadan çizgiye bağlantı */
    transform: translateY(-50%);
    width: 30px;
    height: 2px;
    background: var(--neutral-200);
}

.timeline-item:nth-child(odd) .timeline-content { text-align: right; margin-right: 50%; }
.timeline-item:nth-child(odd) .timeline-content::after { right: -30px; }

.timeline-item:nth-child(even) { flex-direction: row; } /* Row kalsın, margin ile ayarla */
.timeline-item:nth-child(even) .timeline-content { text-align: left; margin-left: 50%; }
.timeline-item:nth-child(even) .timeline-content::after { left: -30px; }

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--white);
    border: 4px solid var(--primary-900);
    border-radius: 50%;
    z-index: 10;
    box-shadow: 0 0 0 5px rgba(255, 255, 255, 1), 0 0 0 7px var(--neutral-100);
    transition: all 0.4s ease;
}

.timeline-item:hover .timeline-dot {
    border-color: var(--accent-500);
    box-shadow: 0 0 15px var(--accent-500);
    transform: translateX(-50%) scale(1.2);
}

.timeline-item:hover .timeline-content {
    border-color: var(--accent-500);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.timeline-year {
    font-size: 1.6rem; /* Biraz daha zarif */
    font-weight: 950;
    color: var(--primary-900);
    display: block;
    margin-bottom: 4px;
    letter-spacing: -0.5px;
    line-height: 1;
}

.timeline-content h3 {
    font-size: 1.05rem;
    color: var(--accent-500);
    margin-bottom: 12px;
    text-transform: uppercase;
    font-weight: 900;
    letter-spacing: 0.5px;
}

.timeline-content p {
    font-weight: 500;
    font-size: 0.88rem; /* Daha minimal ve okunaklı */
    color: var(--primary-900);
    line-height: 1.5;
    margin: 0;
}

/* --- 2. MISYON & VIZYON (PREMIUM GLASSMORPHISM) --- */
.mv-section { 
    background: #0B1A2A; 
    padding: 80px 0; /* Radikal daraltma */
    position: relative;
    overflow: hidden;
}

.mv-section::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 900px;
    height: 900px;
    background: radial-gradient(circle, rgba(232, 88, 15, 0.06) 0%, transparent 70%);
}

.mv-grid { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 30px; 
    position: relative; 
    z-index: 2;
    max-width: 1000px; /* 1200'den 1000'e çekildi, daha dar ve elit */
    margin: 0 auto;
}

.mv-card {
    background: rgba(255, 255, 255, 0.02); 
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 40px 45px; /* Dikey dolgu daraltıldı */
    border-radius: var(--radius-xl);
    backdrop-filter: blur(25px);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.mv-card::before {
    content: ""; /* Typo fix */
    position: absolute; 
    top: 0; left: 0; width: 0; height: 4px;
    background: var(--accent-500);
    transition: width 0.6s ease;
}

.mv-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(232, 88, 15, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 30px 80px rgba(0,0,0,0.4);
}

.mv-card:hover::before { width: 100%; }

.mv-card h2 { 
    color: #ffffff; 
    font-size: 2.1rem; /* Daha modern ve minimal */
    margin-bottom: 18px; 
    font-weight: 950;
    text-transform: uppercase;
    letter-spacing: 2px;
    line-height: 1;
}

.mv-card p { 
    color: rgba(255, 255, 255, 0.9); 
    font-size: 1.1rem; 
    line-height: 1.7; 
    font-weight: 500;
}

/* --- 3. TEMEL PRENSIPLER (MODERN EXECUTIVE) --- */
.principles-section { 
    background: #F9FAFB; 
    padding: 150px 0; 
    position: relative;
}

.principles-grid { 
    display: grid; 
    grid-template-columns: repeat(4, 1fr); 
    gap: 30px; 
    margin-top: 80px; 
    counter-reset: princ-counter;
}

.principle-card {
    background: var(--white); 
    padding: 60px 40px; 
    border-radius: var(--radius-lg);
    border: 1px solid var(--neutral-100);
    box-shadow: 0 4px 20px rgba(11, 30, 53, 0.03);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
    display: flex;
    flex-direction: column;
}

/* Authority Index Numbers */
.principle-card::after {
    counter-increment: princ-counter;
    content: "0" counter(princ-counter);
    position: absolute;
    bottom: -15px;
    right: -10px;
    font-size: 8rem;
    font-weight: 950;
    color: var(--primary-900);
    opacity: 0.025;
    z-index: -1;
    transition: all 0.5s ease;
}

.principle-card:hover {
    transform: translateY(-15px);
    border-color: var(--accent-500);
    box-shadow: 0 40px 80px rgba(11, 30, 53, 0.08);
}

.principle-card:hover::after {
    opacity: 0.06;
    color: var(--accent-500);
}

.principle-icon {
    width: 60px;
    height: 60px;
    background: var(--neutral-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    transition: all 0.4s ease;
    border: 1px solid var(--neutral-100);
}

.principle-icon i {
    font-size: 1.8rem;
    color: var(--accent-500);
}

.principle-card:hover .principle-icon {
    background: var(--accent-500);
    border-color: var(--accent-500);
    transform: rotate(360deg);
}

.principle-card:hover .principle-icon i {
    color: var(--white);
}

.principle-card h3 { 
    font-size: 1.4rem; 
    font-weight: 900; 
    color: var(--primary-900); 
    margin-bottom: 20px; 
    text-transform: uppercase;
    line-height: 1.2;
}

.principle-card p { 
    font-size: 1rem; 
    color: var(--primary-800); 
    line-height: 1.8; 
    font-weight: 600;
}

@media (max-width: 1200px) {
    .principles-grid { grid-template-columns: repeat(2, 1fr); }
    .mv-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {

    /* === HERO === */
    .about-hero { height: 50vh; min-height: 320px; }
    .about-hero h1 { font-size: 2.2rem; letter-spacing: -1px; }

    /* === TIMELINE — TEK SÜTUN MOBİL DÜZENI === */
    .timeline-section { padding: 70px 0; }
    .timeline-container { margin-top: 40px; }

    /* Dikey merkez çizgiyi sola al */
    .timeline-container::before {
        left: 24px;
        transform: none;
    }

    /* Her item tek sütun — flex-direction sıfırla */
    .timeline-item {
        display: block;
        margin-bottom: 32px;
        padding-left: 64px; /* dot + boşluk */
        position: relative;
    }

    /* Tüm kartlar tam genişlik, sola hizalı */
    .timeline-content {
        width: 100% !important;
        margin: 0 !important;
        text-align: left !important;
        padding: 20px;
    }

    /* Yatay bağlantı çizgisi — sola hizala */
    .timeline-content::after {
        left: -26px !important;
        right: auto !important;
        top: 28px !important;
        width: 20px;
    }

    /* Dot'u sola al */
    .timeline-dot {
        left: 24px;
        top: 24px;
        position: absolute;
        transform: translateX(-50%);
    }

    /* Boş alan sütunları gizle */
    .timeline-empty { display: none; }

    /* === MİSYON & VİZYON === */
    .mv-section { padding: 50px 0; }
    .mv-grid { grid-template-columns: 1fr !important; gap: 16px; }
    .mv-card { padding: 28px 22px; }
    .mv-card h2 { font-size: 1.6rem; }
    .mv-card p { font-size: 0.95rem; }

    /* === PRENSIPLER === */
    .principles-section { padding: 60px 0; }
    .principles-grid { 
        grid-template-columns: 1fr !important;
        gap: 16px;
        margin-top: 40px;
    }
    .principle-card { padding: 32px 24px; }
    .principle-card h3 { font-size: 1.2rem; }
}

@media (max-width: 480px) {
    .timeline-item { padding-left: 54px; }
    .timeline-container::before { left: 20px; }
    .timeline-dot { left: 20px; }
    .timeline-content::after { left: -22px !important; }
    .timeline-year { font-size: 1.3rem; }
}