/* ============================================================
   220 CREATIVE — REFERANSLAR (references.css) — PREMIUM DARK v1
   .rf- prefix · independent stylesheet for references page
   ============================================================ */

.rf-wrapper {
    background: var(--black);
    color: #fff;
    overflow: hidden;
}

/* ── HERO SECTION ── */
.rf-hero {
    position: relative;
    padding: 140px 0 100px;
    background: radial-gradient(circle at 50% 100%, #161003 0%, var(--black) 70%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.rf-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center;
    mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 80%);
    pointer-events: none;
}

.rf-hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(14, 165, 196,.08) 0%, transparent 70%);
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    pointer-events: none;
    animation: rfGlowPulse 8s ease-in-out infinite alternate;
}

@keyframes rfGlowPulse {
    0% { opacity: 0.7; transform: translateX(-50%) scale(0.9); }
    100% { opacity: 1; transform: translateX(-50%) scale(1.1); }
}

.rf-hero-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.rf-crumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .8rem;
    font-weight: 600;
    color: var(--grey-300);
    margin-bottom: 24px;
    background: rgba(255, 255, 255, 0.03);
    padding: 6px 16px;
    border-radius: 100px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.rf-crumb a {
    color: var(--grey-500);
    text-decoration: none;
    transition: color .3s;
}

.rf-crumb a:hover {
    color: var(--gold);
}

.rf-crumb .sep {
    color: rgba(255,255,255,.2);
}

.rf-crumb b {
    color: var(--gold);
}

.rf-hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
}

.rf-hero h1 em {
    font-style: italic;
    font-family: serif;
    font-weight: 400;
    color: var(--gold);
    background: linear-gradient(120deg, var(--gold) 30%, #7dd3e8 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.rf-hero-sub {
    font-size: clamp(1rem, 1.8vw, 1.15rem);
    color: var(--grey-300);
    line-height: 1.7;
    max-width: 660px;
    margin: 0 auto;
}

/* ── CORE SECTIONS ── */
.rf-sec {
    padding: 110px 0;
    position: relative;
}

.rf-sec-alt {
    background: var(--surface);
    border-top: 1px solid rgba(255,255,255,.04);
    border-bottom: 1px solid rgba(255,255,255,.04);
}

.rf-sec-head {
    max-width: 640px;
    margin: 0 auto 60px;
    text-align: center;
}

.rf-label {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--gold);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.rf-title {
    font-size: clamp(1.8rem, 3.4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.15;
    margin-top: 16px;
    color: #fff;
}

.rf-sub {
    color: var(--grey-300);
    font-size: 1rem;
    line-height: 1.7;
    margin-top: 16px;
}

/* ── REFERANSLAR GRID ── */
.rf-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.rf-card {
    background: linear-gradient(160deg, rgba(255,255,255,.04) 0%, rgba(255,255,255,.01) 100%);
    border: 1px solid rgba(255,255,255,.06);
    border-radius: 24px;
    padding: 36px 30px;
    position: relative;
    overflow: hidden;
    transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 280px;
}

.rf-card:hover {
    transform: translateY(-8px);
    border-color: var(--gold-20);
    box-shadow: 0 20px 40px rgba(0,0,0,.3);
}

.rf-card::after {
    content: "";
    position: absolute;
    width: 150px; height: 150px;
    background: radial-gradient(circle, rgba(14, 165, 196,.05) 0%, transparent 70%);
    top: -50px; right: -50px;
    pointer-events: none;
    opacity: 0;
    transition: opacity .4s;
}

.rf-card:hover::after {
    opacity: 1;
}

.rf-card-top {
    position: relative;
    z-index: 2;
}

.rf-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.rf-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(255,255,255,.03);
    border: 1px solid rgba(255,255,255,.06);
    display: grid;
    place-items: center;
    font-size: 1.5rem;
    transition: transform .4s var(--ease), background .3s, border-color .3s;
}

.rf-card:hover .rf-card-icon {
    transform: scale(1.1) rotate(-5deg);
    background: var(--gold-10);
    border-color: var(--gold-20);
}

.rf-badge {
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--gold);
    background: var(--gold-10);
    border: 1px solid var(--gold-20);
    padding: 6px 14px;
    border-radius: 100px;
}

.rf-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #fff;
}

.rf-card p {
    color: var(--grey-300);
    font-size: .9rem;
    line-height: 1.65;
    margin: 0;
}

.rf-card-footer {
    margin-top: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .8rem;
    font-weight: 700;
    color: var(--grey-500);
    transition: color .3s;
    position: relative;
    z-index: 2;
}

.rf-card:hover .rf-card-footer {
    color: #fff;
}

.rf-card-footer .arrow {
    transition: transform .3s;
}

.rf-card:hover .rf-card-footer .arrow {
    transform: translateX(4px);
    color: var(--gold);
}

/* ── MÜŞTERİ YORUMLARI ── */
.rf-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.rf-testi-card {
    background: linear-gradient(160deg, rgba(255,255,255,.04) 0%, rgba(255,255,255,.01) 100%);
    border: 1px solid rgba(255,255,255,.06);
    border-radius: 24px;
    padding: 36px 30px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform .4s var(--ease), border-color .4s;
}

.rf-testi-card::before {
    content: "“";
    position: absolute;
    top: 10px;
    right: 24px;
    font-size: 5rem;
    font-family: serif;
    color: rgba(14, 165, 196,.06);
    line-height: 1;
    font-weight: 900;
}

.rf-testi-card:hover {
    transform: translateY(-5px);
    border-color: rgba(14, 165, 196,.15);
}

.rf-testi-stars {
    color: var(--gold);
    font-size: .95rem;
    margin-bottom: 18px;
    letter-spacing: 2px;
}

.rf-testi-text {
    font-size: .94rem;
    line-height: 1.7;
    color: var(--grey-300);
    font-style: italic;
    margin: 0 0 28px;
}

.rf-testi-author {
    display: flex;
    align-items: center;
    gap: 14px;
    border-top: 1px solid rgba(255,255,255,.05);
    padding-top: 18px;
}

.rf-testi-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gold-10);
    border: 1px solid var(--gold-20);
    color: var(--gold);
    font-size: .95rem;
    font-weight: 800;
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.rf-testi-meta h4 {
    font-size: .92rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 3px;
}

.rf-testi-meta span {
    font-size: .75rem;
    font-weight: 600;
    color: var(--grey-500);
    display: block;
}

/* ── PREMIUM CTA BANDI ── */
.rf-cta {
    background: var(--gold);
    padding: 85px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.rf-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 10% 20%, rgba(255,255,255,.2) 0%, transparent 40%),
                      radial-gradient(circle at 90% 80%, rgba(255,255,255,.2) 0%, transparent 40%);
    pointer-events: none;
}

.rf-cta-inner {
    position: relative;
    z-index: 2;
    max-width: 720px;
    margin: 0 auto;
}

.rf-cta h2 {
    font-size: clamp(2rem, 3.8vw, 2.8rem);
    font-weight: 900;
    color: var(--black);
    letter-spacing: -1px;
    line-height: 1.15;
    margin-bottom: 16px;
}

.rf-cta p {
    color: rgba(0,0,0,.75);
    font-size: 1.05rem;
    margin-bottom: 32px;
    font-weight: 500;
    line-height: 1.6;
}

/* ── RESPONSIVE ── */
@media (max-width: 992px) {
    .rf-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .rf-testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .rf-sec {
        padding: 80px 0;
    }
    
    .rf-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }
    
    .rf-testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }
}

@media (max-width: 576px) {
    .rf-hero {
        padding: 110px 0 70px;
    }
}