/* ==========================================
   tumreferanslar.css
   Tüm Referanslar sayfasına özel stiller
   ========================================== */

:root {
    --primary: #005F8D;
    --secondary: #F5891E;
    --dark: #0F172A;
    --light: #F8FAFC;
    --white: #ffffff;
    --glass: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: var(--white);
    color: var(--dark);
    line-height: 1.7;
    overflow-x: hidden;
}

/* 1. HERO - MOBİL VE MASAÜSTÜ TAM EKRAN */
.ref-hero {
    position: relative;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    background-image: url('https://images.unsplash.com/photo-1497366216548-37526070297c?q=80&w=2069&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    text-align: left;
}

.ref-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.6) 50%, rgba(0, 0, 0, 0.1) 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 10;
    max-width: 92rem;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.hero-badge {
    background: var(--secondary);
    color: white;
    padding: 8px 24px;
    border-radius: 50px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: inline-block;
    margin-bottom: 25px;
    font-size: 0.85rem;
}

.vektorel-title-premium {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 30px;
}

.highlight-orange { color: var(--secondary); }

.hero-p {
    font-size: 1.35rem;
    opacity: 0.9;
    max-width: 800px;
    margin-bottom: 50px;
    font-weight: 300;
}

/* İstatistikler */
.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-card {
    background: var(--glass);
    backdrop-filter: blur(15px);
    padding: 20px 35px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-card strong { font-size: 2rem; display: block; color: var(--secondary); }
.stat-card span { font-size: 0.9rem; opacity: 0.7; }

/* 2. GENEL SECTIONS */
.section { padding: 100px 0; }
.container { max-width: 92rem; margin: 0 auto; padding: 0 2rem; }
.section-header { max-width: 800px; margin-bottom: 70px; }
.section-header h2 { font-size: 3rem; font-weight: 900; margin-bottom: 20px; }
.section-header p { font-size: 1.2rem; color: #64748b; }

/* 3. BAŞARI KARTLARI */
.success-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 30px;
}

.success-card {
    background: var(--light);
    padding: 50px;
    border-radius: 3rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid #f1f5f9;
}

.success-card:hover {
    transform: translateY(-15px);
    background: var(--white);
    box-shadow: 0 40px 80px rgba(0,0,0,0.06);
    border-color: var(--primary);
}

.success-card h3 { font-size: 1.6rem; font-weight: 800; margin-bottom: 20px; color: var(--primary); }
.success-card p { font-size: 1.1rem; color: #64748b; margin-bottom: 20px; }
.success-tag { background: #E0F2FE; color: var(--primary); padding: 5px 15px; border-radius: 50px; font-weight: 700; font-size: 0.8rem; }

/* 4. İNOVASYON BÖLÜMÜ */
.innovation-box {
    background: var(--dark);
    color: white;
    border-radius: 4rem;
    padding: 80px;
    display: flex;
    align-items: center;
    gap: 60px;
    margin-top: 50px;
}

@media (max-width: 1024px) {
    .innovation-box { flex-direction: column; text-align: center; padding: 40px; }
}

/* 5. LOGO GRID */
.logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 40px;
    align-items: center;
    margin-top: 60px;
}

.logo-item {
    text-align: center;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.4s ease;
    padding: 15px;
}

.logo-item:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.1);
}

.logo-item img {
    max-width: 100%;
    height: auto;
    max-height: 80px;
    object-fit: contain;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .hero-stats { gap: 20px; }
    .success-grid { grid-template-columns: 1fr; }
    .logo-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .logo-item { opacity: 1; filter: grayscale(0%); }
}