/* --- TEMEL DEĞİŞKENLER & FONT --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

:root {
    --su-dark: #0a261d;
    --su-dark-light: #1a4a3d;
    --su-accent: #39ff14;
    --su-accent-hover: #2ecc11;
    --su-gray: #f8f9fa;
    --su-text-muted: #6c757d;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--su-gray);
    color: var(--su-dark);
    line-height: 1.6;
}

/* --- NAVIGASYON --- */
.navbar {
    background-color: var(--su-dark) !important;
    border-bottom: 3px solid var(--su-accent);
    padding: 1rem 0;
}

.nav-link {
    font-weight: 500;
    position: relative;
    margin: 0 10px;
}

    .nav-link::after {
        content: '';
        position: absolute;
        width: 0;
        height: 2px;
        bottom: -5px;
        left: 0;
        background-color: var(--su-accent);
        transition: 0.3s ease;
    }

    .nav-link:hover::after {
        width: 100%;
    }

/* --- HERO SECTION --- */
.hero-section {
    background: linear-gradient(135deg, var(--su-dark) 0%, var(--su-dark-light) 100%);
    border-bottom: 4px solid var(--su-accent);
    overflow: hidden;
}

.hero-img {
    transition: transform 0.5s ease;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3));
}

    .hero-img:hover {
        transform: translateY(-10px);
    }

/* --- KARTLAR & BİLEŞENLER --- */
.feature-card {
    border-radius: 20px !important;
    border: 1px solid rgba(0,0,0,0.05) !important;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
}

    .feature-card:hover {
        transform: translateY(-10px) !important;
        box-shadow: 0 20px 40px rgba(10, 38, 29, 0.1) !important;
        border-color: var(--su-accent) !important;
    }

.rack-preview {
    border: 8px solid white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: 0.4s ease;
}

    .rack-preview:hover {
        transform: scale(1.02);
        box-shadow: 0 15px 40px rgba(0,0,0,0.15) !important;
    }

/* --- BUTONLAR --- */
.btn-su-primary {
    background-color: var(--su-accent);
    color: var(--su-dark);
    font-weight: 700;
    border: none;
    border-radius: 12px;
    padding: 12px 30px;
    box-shadow: 0 4px 15px rgba(57, 255, 20, 0.3);
    transition: 0.3s;
}

    .btn-su-primary:hover {
        background-color: var(--su-accent-hover);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(57, 255, 20, 0.4);
    }

/* --- FLOATING BUTTONS --- */
.email-btn {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: var(--su-accent);
    color: var(--su-dark);
    padding: 12px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(57, 255, 20, 0.3);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: 0.3s;
}

    .email-btn:hover {
        transform: translateY(-5px);
        background-color: var(--su-accent-hover);
    }