/* SRgunessTech Cyber-Tech Theme */
:root {
    --bg-dark: #080c14;
    --bg-card: rgba(15, 23, 42, 0.65);
    --bg-card-hover: rgba(30, 41, 59, 0.85);
    --accent-blue: #0070f3;
    --accent-cyan: #00f2fe;
    --accent-glow: rgba(0, 112, 243, 0.4);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.08);
    --font-main: 'Inter', sans-serif;
    --font-tech: 'Oswald', sans-serif;
}

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

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

/* CANLI TEKNOLOJİ ARKA PLAN EFEKTLERİ */
.tech-bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -2;
    pointer-events: none;
}

.tech-bg-glow {
    position: fixed;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 1000px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 112, 243, 0.15) 0%, rgba(0, 242, 254, 0.05) 40%, transparent 70%);
    z-index: -1;
    pointer-events: none;
    filter: blur(80px);
}

/* Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-fluid {
    width: 100%;
    padding: 0 40px; /* Header'ı sola ve sağa daha çok genişletir */
}

/* HEADER & LOGO ALANI */
header {
    background-color: rgba(8, 12, 20, 0.88);
    backdrop-filter: blur(16px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
}

/* Büyütülmüş Logo Görseli */
.brand-logo {
    height: 48px; /* Logoyu büyüttük */
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(0, 112, 243, 0.6));
    transition: transform 0.3s ease;
}

.logo a:hover .brand-logo {
    transform: scale(1.05);
}

/* Büyütülmüş ve İnce-Uzun Şık Yazı */
.brand-name {
    font-family: var(--font-tech);
    font-size: 2.1rem; /* Yazı boyutunu büyüttük */
    font-weight: 500;
    color: #ffffff;
    letter-spacing: 3px;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.logo a:hover .brand-name {
    color: #ffffff;
    text-shadow: 0 0 16px rgba(255, 255, 255, 0.8);
}

/* Nav Links */
.nav-links {
    display: flex;
    list-style: none;
    gap: 36px;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: #ffffff;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), #0051ba);
    color: #fff;
    padding: 12px 26px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px var(--accent-glow);
    display: inline-block;
    border: 1px solid rgba(255, 255, 255, 0.15);
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px var(--accent-glow);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    color: #fff;
    padding: 12px 26px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: inline-block;
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.25);
}

/* Hero Section */
.hero {
    padding: 210px 0 120px;
    text-align: center;
}

.hero-tag {
    display: inline-block;
    padding: 6px 18px;
    background: rgba(0, 112, 243, 0.12);
    color: var(--accent-cyan);
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 28px;
    border: 1px solid rgba(0, 242, 254, 0.2);
}

.hero h1 {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1px;
    background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 720px;
    margin: 0 auto 40px;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* Sections & Cards */
section {
    padding: 90px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.section-title p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    padding: 36px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 112, 243, 0.3);
    background: var(--bg-card-hover);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.card:hover::before {
    opacity: 1;
}

.card-num {
    font-family: var(--font-tech);
    font-size: 1.6rem;
    font-weight: 400;
    color: var(--accent-cyan);
    margin-bottom: 14px;
    letter-spacing: 2px;
}

.card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: #fff;
}

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

/* Banner */
.rd-banner {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(8, 12, 20, 0.95));
    border: 1px solid rgba(0, 112, 243, 0.25);
    border-radius: 16px;
    padding: 50px;
    backdrop-filter: blur(12px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.rd-content h3 {
    font-size: 2rem;
    margin-bottom: 16px;
    color: #fff;
}

.rd-content p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
    background: #04070d;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 320px;
}

.footer-links h4 {
    margin-bottom: 16px;
    font-size: 1rem;
    color: #fff;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: #fff;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 10px rgba(0, 112, 243, 0.2);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}