/* RESET & BASE */
:root {
    --color-primary: #1B4332; /* Koyu Tarım Yeşili */
    --color-primary-light: #2D6A4F;
    --color-accent: #52B788; /* Canlı Yeşil */
    --color-accent-dark: #40916C;
    --color-dark: #081C15;
    --color-text: #2D3748;
    --color-text-light: #4A5568;
    --color-bg-light: #F7FAFC;
    --color-white: #FFFFFF;
    --font-main: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth; /* JS kullanmadan smooth scroll */
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-white);
}

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

/* TYPOGRAPHY */
h1, h2, h3 {
    color: var(--color-dark);
    line-height: 1.2;
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--color-text-light);
}

/* BUTTONS */
a {
    text-decoration: none;
}

.btn-primary, .btn-secondary, .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 6px;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    border: 2px solid var(--color-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-bg-light);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    gap: 8px;
    padding: 8px 20px;
}
.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* HEADER & NAV */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--color-accent);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-list a {
    color: var(--color-text);
    font-weight: 600;
    transition: var(--transition);
}

.nav-list a:hover {
    color: var(--color-accent);
}

/* MOBILE MENU (No JS Hack) */
.menu-toggle {
    display: none;
}

.hamburger {
    display: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--color-primary);
}

@media (max-width: 992px) {
    .hamburger {
        display: block;
    }
    
    .nav {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--color-white);
        box-shadow: 0 10px 15px rgba(0,0,0,0.05);
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
    }

    .nav-list li {
        border-bottom: 1px solid var(--color-bg-light);
    }

    .nav-list a {
        display: block;
        padding: 20px 24px;
    }

    .menu-toggle:checked ~ .nav {
        display: block;
    }

    .header-contact {
        display: none;
    }
}

/* HERO SECTION */
.hero {
    position: relative;
    padding-top: 160px;
    padding-bottom: 120px;
    background-color: var(--color-primary);
    /* In a real project, add background-image: url('drone.jpg'); background-size: cover; here */
    color: var(--color-white);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(8,28,21,0.9) 0%, rgba(27,67,50,0.8) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero h1 {
    color: var(--color-white);
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 24px;
}

.hero p {
    color: rgba(255,255,255,0.9);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* SECTIONS */
.section {
    padding: 80px 0;
}

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

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

.text-white {
    color: var(--color-white) !important;
}

.text-white h2, .text-white p {
    color: var(--color-white);
}

.section-badge {
    display: inline-block;
    background-color: rgba(82, 183, 136, 0.1);
    color: var(--color-accent-dark);
    padding: 6px 16px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 50px;
}

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

.about-features {
    list-style: none;
    margin-top: 24px;
}

.about-features li {
    position: relative;
    padding-left: 32px;
    margin-bottom: 16px;
    color: var(--color-text-light);
}

.about-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-accent);
    font-weight: bold;
    font-size: 1.2rem;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background-color: #E2E8F0;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #A0AEC0;
    font-weight: 600;
    border: 2px dashed #CBD5E0;
}

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

.card {
    background: var(--color-white);
    padding: 40px 32px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border-top: 4px solid var(--color-accent);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}

.card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: var(--color-primary);
}

/* FAQ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 16px;
    background: var(--color-white);
    border: 1px solid #E2E8F0;
    border-radius: 6px;
    overflow: hidden;
}

.faq-item summary {
    padding: 20px 24px;
    font-weight: 600;
    color: var(--color-dark);
    cursor: pointer;
    background-color: var(--color-bg-light);
    outline: none;
    list-style: none; /* Hide default arrow */
    position: relative;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-primary);
    transition: var(--transition);
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-item p {
    padding: 24px;
    margin: 0;
    border-top: 1px solid #E2E8F0;
}

/* CONTACT */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-methods {
    margin-top: 40px;
}

.contact-method {
    margin-bottom: 24px;
}

.contact-method strong {
    color: var(--color-accent);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.text-lg {
    font-size: 1.5rem;
    font-weight: bold;
}

/* FOOTER */
.footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: 40px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    margin: 0;
    color: rgba(255,255,255,0.6);
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    margin-left: 24px;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--color-white);
}

/* WHATSAPP FLOAT */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.whatsapp-float:hover {
    background-color: #1ebe57;
    transform: scale(1.05);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }

    .whatsapp-float svg {
        width: 24px;
        height: 24px;
    }
}