/* =============================================
   Responsive Breakpoints
   ============================================= */

/* Tablet (991px ve altı) */
@media (max-width: 991.98px) {
    .modern-navbar {
        padding: 0.8rem 0;
        background: var(--bg-primary) !important;
    }

    .modern-navbar.scrolled {
        padding: 0.5rem 0;
    }

    .brand-tagline { display: none; }
    .brand-name { font-size: 1.2rem !important; }

    .hero-slider { margin-top: 0; padding-top: 80px; min-height: 520px; }
    .hero-slide { height: 520px !important; min-height: 520px !important; }
    .hero-slide h1 { font-size: 2.5rem; }
    .typewriter-text { font-size: 1.5rem; }

    .category-flip-card { height: 160px; }
    .category-flip-front i { font-size: 2rem; }
    .category-flip-front h4 { font-size: 0.85rem; }

    .service-card { height: 280px; }
    
    .section-title { font-size: 1.6rem; }
}

/* Mobil Büyük (767px ve altı) */
@media (max-width: 767.98px) {
    .modern-navbar {
        padding: 0.5rem 0;
    }

    .navbar-collapse {
        background: rgba(0, 0, 0, 0.95);
        border-radius: 12px;
        margin-top: 0.8rem;
        padding: 1rem;
        border: 1px solid var(--glass-border);
        backdrop-filter: blur(20px);
    }

    .modern-nav-link {
        margin: 0.25rem 0;
        justify-content: flex-start;
        font-size: 0.85rem !important;
        padding: 0.75rem 1rem !important;
    }

    .hero-slider { padding-top: 70px; min-height: 500px; }
    .hero-slide { height: 500px !important; min-height: 500px !important; }
    .hero-slide h1 { font-size: 1.75rem; line-height: 1.2; }
    .hero-slide .lead { font-size: 0.95rem; margin-bottom: 1rem !important; }
    .typewriter-text { font-size: 1.2rem; }

    .hero-btn {
        padding: 0.6rem 1.2rem;
        font-size: var(--font-size-xs);
    }

    .category-flip-card { height: 140px; }
    .category-flip-front i { font-size: 1.8rem; margin-bottom: 0.5rem; }
    .category-flip-front h4 { font-size: 0.85rem; }
    .category-flip-front,
    .category-flip-back {
        padding: 0.75rem !important;
    }
    .category-flip-back p {
        font-size: 0.8rem !important;
        line-height: 1.3 !important;
        margin-bottom: 0.5rem !important;
    }
    .category-flip-back .flip-link {
        font-size: 0.85rem !important;
    }

    .service-card { height: 260px; }
    .service-card-title { font-size: 1rem; }
    .service-card-desc { font-size: var(--font-size-xs); }
    .service-card-content { padding: 1rem !important; }

    .stat-card { padding: 1.5rem 1rem; }
    .stat-number { font-size: 2rem; }

    .section-title { font-size: 1.4rem; }
    .section-subtitle { font-size: var(--font-size-sm); }

    .contact-form { padding: 1.5rem; }

    .page-header { padding: 6rem 0 2rem; }
    .page-header h1 { font-size: 1.6rem; }

    .footer-social a { width: 36px; height: 36px; }

    .whatsapp-float { bottom: 20px; right: 20px; }
    .whatsapp-float a { width: 52px; height: 52px; font-size: 1.5rem; }
    .whatsapp-tooltip { display: none; }

    .back-to-top-btn {
        bottom: 20px;
        left: 20px;
        width: 52px;
        height: 52px;
        font-size: 1.4rem;
    }

    /* Chip Tuning Calculator Mobile Styles */
    .calculator-card {
        padding: 1.5rem !important;
        border-radius: var(--border-radius) !important;
    }
    
    .gauge-container {
        padding: 1rem !important;
    }
    
    .gauge-wrapper {
        width: 120px;
        height: 120px;
    }
    
    .gauge-value {
        font-size: 1.5rem;
    }
    
    .result-details {
        padding: 1.2rem !important;
    }
    
    .result-details .d-flex {
        flex-direction: column;
        text-align: center;
        gap: 0.3rem !important;
    }
    
    .result-details .d-flex i {
        font-size: 2rem !important;
        margin-bottom: 0.2rem;
    }
    
    .hero-btn-success, #btn-recalculate {
        width: 100%;
        justify-content: center;
        padding: 0.8rem !important;
        font-size: 0.85rem !important;
    }
    
    #btn-calculate {
        margin-top: 0.5rem;
    }
}

/* Mobil Küçük (575px ve altı) */
@media (max-width: 575.98px) {
    .hero-slider { padding-top: 60px; min-height: 420px; }
    .hero-slide { height: 420px !important; min-height: 420px !important; }
    .hero-slide h1 { font-size: 1.35rem; line-height: 1.25; margin-bottom: 0.3rem; }
    .hero-slide .lead { display: none !important; }
    .typewriter-text { font-size: 1rem; }

    .hero-btn {
        padding: 0.5rem 1rem;
        font-size: 0.7rem;
    }

    .category-flip-card { height: 120px; }
    .category-flip-front i { font-size: 1.5rem; margin-bottom: 0.4rem; }
    .category-flip-front h4 { font-size: 0.6rem; }
    .category-flip-front,
    .category-flip-back {
        padding: 0.5rem !important;
    }
    .category-flip-back h4 {
        font-size: 0.7rem !important;
    }
    .category-flip-back p {
        font-size: 0.55rem !important;
        line-height: 1.2 !important;
        margin-bottom: 0.3rem !important;
    }
    .category-flip-back .flip-link {
        font-size: 0.6rem !important;
    }

    .service-card { height: 240px; }
    .service-card-title { font-size: 0.9rem !important; }
    .service-card-desc { font-size: 0.7rem !important; margin-bottom: 0.5rem !important; }
    .service-card-btn { padding: 0.3rem 0.8rem !important; font-size: 0.7rem !important; }

    .stat-number { font-size: 1.8rem; }

    .short-video-card { max-height: 400px; }

    .cta-band h2 { font-size: 1.3rem; }
    .cta-band p { font-size: var(--font-size-sm); }

    .brand-icon { width: 38px; height: 38px; font-size: 1.1rem; }

    #shortVideoModal .modal-dialog {
        margin: 0.5rem auto !important;
        max-width: 360px !important;
    }

    .back-to-top-btn {
        bottom: 15px;
        left: 15px;
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }
}

/* Büyük Ekran (1400px ve üstü) */
@media (min-width: 1400px) {
    .hero-slide h1 { font-size: 4rem; }
    .typewriter-text { font-size: 2.5rem; }
    .service-card { height: 360px; }
}