/* --- TEMEL AYARLAR & DEĞİŞKENLER --- */
:root {
    --bg-dark: #0a0c10;
    --bg-card: #12161f;
    --bg-glass: rgba(18, 22, 31, 0.75);
    --primary: #ff5500; /* Turuncu Accent */
    --primary-glow: rgba(255, 85, 0, 0.35);
    --accent: #00e5ff;  /* Siber Mavi */
    --text-main: #f0f3f8;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.08);
    --font-heading: 'Orbitron', 'Rajdhani', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-padding {
    padding: 90px 0;
}

.text-center { text-align: center; }

/* HIGHLIGHTS & GRADIENTS */
.gradient-text {
    background: linear-gradient(135deg, #fff 20%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    color: var(--primary);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 8px;
}

.section-title h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    margin-bottom: 40px;
}

/* NAVBAR */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 12, 16, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: #fff;
    text-decoration: none;
    font-weight: 800;
}

.logo span { color: var(--primary); }
.logo small { font-size: 0.6rem; color: var(--text-muted); display: block; margin-top: -6px; }

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: 0.3s;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

.btn-nav {
    background: var(--primary);
    color: #fff !important;
    padding: 8px 18px;
    border-radius: 6px;
    box-shadow: 0 0 15px var(--primary-glow);
}

.btn-nav:hover {
    transform: translateY(-2px);
}

/* HAMBURGER */
.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: all 0.3s ease-in-out;
    background-color: var(--text-main);
}

/* HERO SECTION */
.hero {
    min-height: 100vh;
    padding-top: 130px;
    padding-bottom: 60px;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(circle at 80% 20%, rgba(255, 85, 0, 0.12) 0%, transparent 40%);
}

.badge {
    background: rgba(255, 85, 0, 0.15);
    color: var(--primary);
    border: 1px solid rgba(255, 85, 0, 0.3);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 20px;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 3.2rem;
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 650px;
    margin-bottom: 35px;
}

.hero-btns {
    display: flex;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

/* BUTONLAR */
.btn {
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 10px 25px var(--primary-glow);
}

.btn-primary:hover {
    background: #e04b00;
    transform: translateY(-3px);
}

.btn-whatsapp {
    background: #25d366;
    color: #fff;
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background: #20ba5a;
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(37, 211, 102, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.btn-block { width: 100%; justify-content: center; }

/* HERO STATS */
.hero-stats {
    display: flex;
    gap: 40px;
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--primary);
    display: block;
    font-weight: 800;
}

.stat-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* CARDS & GRIDS */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.service-card, .product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: 12px;
    transition: 0.3s;
    position: relative;
}

.service-card:hover, .product-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.5);
}

.icon-box, .product-card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.service-card h3, .product-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.service-card p, .product-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.card-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 0.7rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 3px 8px;
    border-radius: 4px;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

/* GLASS CARD & ABOUT */
.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: 16px;
}

.about-text h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 20px;
}

.check-list {
    list-style: none;
    margin-top: 20px;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--text-muted);
}

.check-list i { color: var(--primary); }

.main-feature {
    text-align: center;
    padding: 50px 30px;
    border-color: rgba(255, 85, 0, 0.3);
}

.main-feature i {
    font-size: 3.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

/* İLETİŞİM DOĞRUDAN BUTON KARTLARI */
.contact-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.contact-info h2 {
    font-family: var(--font-heading);
    margin-bottom: 15px;
}

.contact-info p {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-muted);
}

.info-item i { color: var(--primary); }

.contact-actions {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.direct-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    transition: 0.3s;
}

.direct-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.direct-icon {
    font-size: 2.2rem;
    margin-bottom: 12px;
}

.wa-icon { color: #25d366; }
.tel-icon { color: var(--primary); }

.direct-card h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.direct-card p {
    color: var(--text-muted);
    font-size: 0.88rem;
    margin-bottom: 18px;
}

/* FOOTER */
footer {
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* --- WHATSAPP SABİT BUTON TASARIMI --- */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #ffffff;
    border-radius: 50%;
    text-align: center;
    font-size: 32px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
    animation: pulse-green 2s infinite;
}

.whatsapp-float:hover {
    background-color: #20ba5a;
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.7);
    color: #ffffff;
}

@keyframes pulse-green {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* RESPONSIVE (MOBİL & TABLET UYUMU) */
@media (max-width: 992px) {
    .hero h1 { font-size: 2.5rem; }
    .grid-2, .contact-box { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .hamburger { display: block; }
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45px); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45px); }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-dark);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 40px 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu.active { left: 0; }
    .hero h1 { font-size: 2rem; }
    .hero-stats { flex-direction: column; gap: 15px; }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 52px;
        height: 52px;
        font-size: 28px;
    }
}