/* 
 * Kurtel İletişim Cihazları - Ana Stil Dosyası
 * Modern, Karanlık Tema, Responsive
 */

:root {
    /* Renk Paleti */
    --bg-main: #0a0e17;
    --bg-secondary: #05080f;
    --bg-card: rgba(15, 23, 42, 0.7);
    
    --primary: #4361ee;
    --primary-hover: #3a56d4;
    --secondary: #ff6b35;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    /* Hizmet Renkleri */
    --color-red: #ef4444;
    --color-blue: #3b82f6;
    --color-green: #10b981;
    --color-purple: #8b5cf6;
    --color-orange: #f59e0b;

    /* Efektler */
    --glass-border: rgba(255, 255, 255, 0.05);
    --transition: all 0.3s ease;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 100px 0;
}

.bg-dark {
    background-color: var(--bg-secondary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-heading {
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--text-main);
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-top: 1rem;
}

.heading-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
    margin-top: 0.5rem;
}

.heading-line.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

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

.mt-3 {
    margin-top: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.4);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(67, 97, 238, 0.6);
}

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

.btn-outline:hover {
    background-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn-large {
    padding: 15px 35px;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 45px;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links li a {
    font-weight: 500;
    font-size: 1rem;
    color: var(--text-main);
}

.nav-links li a:not(.btn):hover {
    color: var(--primary);
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-main);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
}

.hero-text .badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary);
    border: 1px solid rgba(67, 97, 238, 0.2);
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-text h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-text h1 span {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.scroll-indicator a {
    color: var(--text-muted);
    font-size: 1.5rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-15px) translateX(-50%); }
    60% { transform: translateY(-7px) translateX(-50%); }
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.experience-card {
    background: linear-gradient(135deg, var(--bg-card), rgba(10, 14, 23, 0.8));
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.experience-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(67, 97, 238, 0.1) 0%, transparent 70%);
    z-index: 0;
}

.experience-card * {
    position: relative;
    z-index: 1;
}

.experience-card .counter {
    font-size: 6rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.experience-card .years {
    font-size: 2rem;
    font-weight: 700;
    display: block;
    margin-bottom: 10px;
}

.about-text .lead {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text-main);
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.check-list {
    margin-top: 30px;
}

.check-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 500;
}

.check-list i {
    color: var(--primary);
    font-size: 1.2rem;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-main);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 40px 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
    z-index: -1;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    background: var(--bg-card);
}

.service-card:hover::after {
    transform: scaleX(1);
}

.service-icon {
    width: 70px;
    height: 70px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 25px;
    background: rgba(255,255,255,0.03);
}

.service-icon.red { color: var(--color-red); background: rgba(239, 68, 68, 0.1); }
.service-icon.blue { color: var(--color-blue); background: rgba(59, 130, 246, 0.1); }
.service-icon.green { color: var(--color-green); background: rgba(16, 185, 129, 0.1); }
.service-icon.purple { color: var(--color-purple); background: rgba(139, 92, 246, 0.1); }
.service-icon.orange { color: var(--color-orange); background: rgba(245, 158, 11, 0.1); }

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
}

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

/* Why Us Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-box {
    text-align: center;
    padding: 30px;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: 0 10px 20px rgba(67, 97, 238, 0.3);
}

.feature-box h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.feature-box p {
    color: var(--text-muted);
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--bg-main);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    transition: var(--transition);
}

.info-item:hover {
    transform: translateX(10px);
    border-color: var(--primary);
}

.info-item .icon {
    width: 50px;
    height: 50px;
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-item .details h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.info-item .details p, .info-item .details a {
    color: var(--text-muted);
    transition: var(--transition);
}

.info-item .details a:hover {
    color: var(--primary);
}

.contact-form {
    background: var(--bg-main);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid var(--glass-border);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.05);
}

.form-group select {
    appearance: none;
    cursor: pointer;
}

.form-group select option {
    background: var(--bg-main);
    color: var(--text-main);
}

/* Footer */
.footer {
    background: #03050a;
    padding: 80px 0 20px;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 15px;
}

.footer-logo h2 {
    color: var(--primary);
    margin-bottom: 0;
}

.footer-logo p {
    color: var(--text-muted);
}

.footer-links h3, .footer-contact h3 {
    margin-bottom: 25px;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h3::after, .footer-contact h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary);
}

.footer-links ul li {
    margin-bottom: 15px;
}

.footer-links ul li a {
    color: var(--text-muted);
}

.footer-links ul li a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-contact p {
    color: var(--text-muted);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-contact i {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: white;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #128c7e;
    color: white;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-text h1 { font-size: 3rem; }
    .about-grid, .contact-wrapper { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
    .footer-content { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        justify-content: center;
        transition: 0.5s;
        border-left: 1px solid var(--glass-border);
        box-shadow: -5px 0 20px rgba(0,0,0,0.5);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .hamburger {
        display: block;
        z-index: 1001;
    }

    .hero-text h1 { font-size: 2.5rem; }
    .hero-buttons { flex-direction: column; }
    .experience-card { padding: 40px 20px; }
}