:root {
    --primary: #3b82f6;
    --accent: #10b981;
    --bg-deep: #0b1120;
    --bg-card: rgba(255, 255, 255, 0.03);
    --text-white: #ffffff;
    --text-gray: #94a3b8;
    --glass: rgba(11, 17, 32, 0.85);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-deep);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    background: var(--glass);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 15px 0;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: white;
    letter-spacing: 1px;
}

.nav-link {
    color: var(--text-gray) !important;
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-link:hover { color: var(--primary) !important; }

.navbar-toggler-icon { filter: invert(1); }

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.08) 0%, var(--bg-deep) 75%);
    position: relative;
}

.hero::after {
    content: ''; position: absolute; width: 100%; height: 100%;
    background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px; z-index: 1;
}

.hero-content { position: relative; z-index: 2; text-align: center; }

.hero h1 { font-size: clamp(3rem, 10vw, 6rem); font-weight: 800; margin-bottom: 10px; }

.hero h2 {
    font-size: clamp(1.5rem, 5vw, 3rem); font-weight: 700;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* Product Cards */
.section { padding: 100px 0; }

.product-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    height: 100%;
}

.product-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--primary);
    transform: translateY(-8px);
}

.specs-tag {
    display: inline-block;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-top: 15px;
    font-weight: 600;
}

/* Contact Area */
.contact-main-wrapper {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 40px;
}

.contact-form-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.custom-input {
    background: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: white !important;
    border-radius: 12px !important;
    padding: 12px 18px !important;
}

.custom-input:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.1) !important;
}

.btn-dark-custom {
    background: #212529; color: white; border: none;
    padding: 12px 40px; border-radius: 12px; font-weight: 600;
    transition: 0.3s;
}

.btn-dark-custom:hover { background: var(--primary); transform: translateY(-2px); }

/* Buttons */
.btn-primary-custom {
    background: var(--primary); color: white; padding: 14px 35px;
    border-radius: 10px; text-decoration: none; font-weight: 600;
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3); display: inline-block;
}

@media (max-width: 991px) {
    .navbar { background: var(--bg-deep); }
    .hero h1 { font-size: 3.5rem; }
    .contact-main-wrapper { border-radius: 20px; }
}

/* --- TOP ANNOUNCEMENT BAR --- */
.top-announcement-bar {
    background: linear-gradient(90deg, #0f172a, #1e293b); /* Çok koyu lacivert tonu */
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.75rem;
    padding: 8px 0;
    letter-spacing: 0.5px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 10000; /* Navbardan da üstte olmalı */
}

.badge-rhino {
    background: var(--primary);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 800;
    margin-right: 10px;
    vertical-align: middle;
}

.top-announcement-bar strong {
    color: #fff;
    font-weight: 700;
}

/* Navbar'ın konumunu barın yüksekliği kadar aşağı kaydırıyoruz */
.navbar {
    top: 35px !important; /* Bar yüksekliği yaklaşık 35px */
}

/* Hero section başlangıcını da biraz aşağı çekebiliriz ki içerik gömülmesin */
.hero {
    padding-top: 105px; /* Navbar (70px) + Top Bar (35px) */
}

@media (max-width: 991px) {
    .navbar {
        top: 35px !important;
    }
}