/* === GENEL AYARLAR ve DEĞİŞKENLER === */
:root {
    --primary-color: #2563eb;       /* Güçlü dinamik mavi */
    --primary-hover: #1d4ed8;       /* Koyu mavi */
    --accent-color: #38bdf8;        /* Açık elektrik mavi */
    --accent-glow: rgba(56, 189, 248, 0.25);
    --background-color: #0b0f19;    /* Derin gece mavisi / siyah */
    --surface-color: #111827;       /* Kart ve kutu zeminleri */
    --surface-border: #1f2937;      /* Kart kenarlıkları */
    --surface-hover: #1e293b;       /* Kart hover rengi */
    --text-color: #f1f5f9;          /* Açık metin */
    --muted-text-color: #94a3b8;    /* Açıklama metinleri */
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.section-title {
    text-align: center;
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* === HEADER ve NAVİGASYON === */
.header {
    background-color: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--surface-border);
    padding: 18px 0;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
}

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

.logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.brand-logo-img {
    height: 48px;
    width: auto;
    max-width: 220px;
    display: block;
    object-fit: contain;
    transition: transform 0.25s ease, filter 0.25s ease;
}

.brand-logo-img:hover {
    transform: scale(1.02);
    filter: drop-shadow(0 0 10px rgba(56, 189, 248, 0.4));
}

.footer-logo-img {
    height: 42px;
    max-width: 190px;
}

/* Hero Bölümü Amblem Rozeti */
.hero-brand-badge {
    margin-bottom: 24px;
    position: relative;
    display: inline-flex;
}

.hero-emblem-img {
    width: 110px;
    height: 110px;
    border-radius: 28px;
    object-fit: cover;
    border: 2px solid rgba(56, 189, 248, 0.35);
    box-shadow: 0 0 30px rgba(37, 99, 235, 0.35), 0 0 15px rgba(56, 189, 248, 0.25);
    animation: emblemFloat 4s ease-in-out infinite;
}

@keyframes emblemFloat {
    0%, 100% {
        transform: translateY(0);
        box-shadow: 0 0 25px rgba(37, 99, 235, 0.3);
    }
    50% {
        transform: translateY(-8px);
        box-shadow: 0 0 40px rgba(56, 189, 248, 0.5);
    }
}

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

.nav-menu a {
    color: var(--muted-text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.25s ease;
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 2.5px;
    margin: 5px auto;
    background-color: var(--text-color);
    transition: all 0.3s ease-in-out;
    border-radius: 2px;
}

/* === ANA KARŞILAMA BÖLÜMÜ (HERO) === */
.hero {
    min-height: calc(100vh - 75px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: radial-gradient(circle at 50% 20%, rgba(37, 99, 235, 0.15) 0%, rgba(11, 15, 25, 1) 70%);
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(37, 99, 235, 0.15);
    border: 1px solid rgba(56, 189, 248, 0.3);
    color: var(--accent-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 3.4rem;
    font-weight: 800;
    line-height: 1.2;
    max-width: 880px;
    margin: 0 auto 20px;
    background: linear-gradient(180deg, #ffffff 30%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero .subtitle {
    font-size: 1.15rem;
    max-width: 650px;
    margin: 0 auto 36px;
    color: var(--muted-text-color);
    font-weight: 400;
}

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

.cta-button {
    padding: 14px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
}

.primary-btn {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.5);
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    border: 1px solid var(--surface-border);
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* === HAKKIMIZDA BÖLÜMÜ === */
.about {
    background: #0d121f;
    border-top: 1px solid var(--surface-border);
    border-bottom: 1px solid var(--surface-border);
}

.about-content {
    max-width: 820px;
    margin: 20px auto 0;
    text-align: center;
    color: var(--muted-text-color);
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-content p {
    margin-bottom: 20px;
}

.about-content strong {
    color: #fff;
}

/* === HİZMETLER BÖLÜMÜ === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.service-card {
    background-color: var(--surface-color);
    padding: 36px 28px;
    border-radius: 16px;
    border: 1px solid var(--surface-border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: rgba(56, 189, 248, 0.4);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    background-color: var(--surface-hover);
}

.service-icon-wrapper {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: rgba(37, 99, 235, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
}

.service-card i {
    font-size: 1.6rem;
    color: var(--accent-color);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #fff;
}

.service-card p {
    color: var(--muted-text-color);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* === İLETİŞİM BÖLÜMÜ === */
.contact {
    background: #0d121f;
    border-top: 1px solid var(--surface-border);
}

.contact-subtitle {
    text-align: center;
    max-width: 540px;
    margin: 0 auto 40px;
    color: var(--muted-text-color);
}

.contact-form {
    max-width: 580px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--surface-color);
    padding: 36px;
    border-radius: 20px;
    border: 1px solid var(--surface-border);
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    border-radius: 10px;
    border: 1px solid var(--surface-border);
    background-color: #0b0f19;
    color: var(--text-color);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.submit-btn {
    width: 100%;
    justify-content: center;
    margin-top: 10px;
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}

.form-feedback {
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    animation: fadeInFeedback 0.3s ease;
}

.form-feedback.success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: #34d399;
}

.form-feedback.error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #f87171;
}

@keyframes fadeInFeedback {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === FOOTER === */
.footer {
    background-color: var(--background-color);
    padding: 35px 0;
    border-top: 1px solid var(--surface-border);
    text-align: center;
}

.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
}

.footer p {
    color: var(--muted-text-color);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--muted-text-color);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.25s ease;
}

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

/* === ANİMASYONLAR === */
.fade-in {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === RESPONSIVE TASARIM === */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 68px;
        flex-direction: column;
        background-color: var(--background-color);
        width: 100%;
        text-align: center;
        transition: 0.3s ease;
        gap: 0;
        border-bottom: 1px solid var(--surface-border);
        box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        padding: 1.1rem 0;
        border-bottom: 1px solid var(--surface-border);
    }
    
    .hamburger {
        display: block;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(7.5px) rotate(45deg);
    }
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-7.5px) rotate(-45deg);
    }

    .hero h1 {
        font-size: 2.3rem;
    }

    .contact-form {
        padding: 24px;
    }
}

/* reCAPTCHA Hata / Rozet Gizleme */
.grecaptcha-badge {
    visibility: hidden !important;
    display: none !important;
    opacity: 0 !important;
}