/* ==========================================================================
   İLETİŞİM SAYFASI - FİNAL TASARIM (GÜNCELLENMİŞ)
   ========================================================================== */

/* ===== 1. GENEL AYARLAR ===== */
:root { 
    --dark-bg: #12121200; 
    --primary-green: #39FF14; 
    --text-color: #E0E0E0; 
    --text-muted: #A0A0A0;
    --input-border: #333;
}

html, body { 
    margin: 0; 
    background-color: transparent; 
    color: var(--text-color); 
    font-family: 'Inter', 'Segoe UI', 'Roboto', sans-serif; 
    -webkit-font-smoothing: antialiased; 
}

.highlight { color: var(--primary-green); }
.container { max-width: 900px; margin: 0 auto; padding: 0 20px; }

/* ===== 2. SADE HEADER & FOOTER ===== */
header.minimal-header {
    position: relative;
    top: 0; 
    left: 0; 
    width: 100%; 
    z-index: 10;
    border-bottom: 1px solid rgba(255, 255, 255, 0);
    background: linear-gradient(180deg, rgba(18, 18, 18, 0) 0%, rgba(18, 18, 18, 0.95) 100%);
}

.header-container { 
    max-width: 1400px; 
    margin: 0 auto; 
    padding: 0 20px; 
    height: 100px; 
    display: flex; 
    align-items: center; 
    transition: height 0.3s ease;
}

.header-logo { 
    text-decoration: none; 
    transition: transform 0.3s ease;
}

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

.logo-text { 
    font-size: 1.8rem; 
    font-weight: 800; 
    color: #FFFFFF;
    letter-spacing: -1px;
}

footer { 
    padding: 40px 20px; 
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: linear-gradient(180deg, rgba(18, 18, 18, 0.082) 0%, rgba(18, 18, 18, 1) 100%);
}

.footer-container { max-width: 1200px; margin: 0 auto; }
.footer-bottom { text-align: center; }
.footer-copyright { font-size: 0.9rem; margin: 0; color: var(--text-muted); }
.markasium-link { 
    color: var(--text-color); 
    font-weight: 700; 
    text-decoration: none; 
    transition: all 0.3s ease;
    position: relative;
}

.markasium-link:hover { 
    color: var(--primary-green);
    text-decoration: underline;
}

/* ===== 3. İLETİŞİM FORMU ===== */
main { padding-top: 0px; }

.contact-section { padding: 20px 0 100px 0; }

.contact-header { 
    text-align: left; 
    margin-bottom: 60px;
    animation: slideInUp 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.contact-header h2 { 
    font-size: clamp(2rem, 4vw, 2.5rem); 
    font-weight: 400; 
    margin: 0; 
    color: var(--text-muted);
    animation: fadeIn 0.6s ease-out 0.1s backwards;
}

.contact-header h1 { 
    font-size: clamp(3rem, 6vw, 4rem); 
    font-weight: 800; 
    margin: 0 0 1.5rem 0; 
    line-height: 1.1;
    animation: fadeIn 0.6s ease-out 0.2s backwards;
}

.contact-header p { 
    font-size: 1.1rem; 
    line-height: 1.7; 
    color: var(--text-muted); 
    max-width: 600px;
    animation: fadeIn 0.6s ease-out 0.3s backwards;
}

.contact-form { 
    display: flex; 
    flex-direction: column; 
    gap: 2rem;
    animation: fadeIn 0.8s ease-out 0.4s backwards;
}

.form-grid { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 1.5rem 2rem;
}

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

.form-group.full-width { grid-column: 1 / -1; }

.form-group label { 
    margin-bottom: 0.75rem; 
    font-size: 0.9rem; 
    color: var(--text-muted);
    transition: color 0.3s ease;
    font-weight: 500;
}

.form-group.focused label {
    color: var(--primary-green);
}

.form-group input, 
.form-group textarea {
    background-color: var(--input-bg); 
    border: 2px solid var(--input-border); 
    border-radius: 8px;
    padding: 15px; 
    color: var(--text-color); 
    font-size: 1rem; 
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    font-family: inherit;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(160, 160, 160, 0.5);
}

.form-group input:focus, 
.form-group textarea:focus { 
    outline: none; 
    border-color: var(--primary-green);
    background-color: rgba(57, 255, 20, 0.02);
    box-shadow: 0 0 20px rgba(57, 255, 20, 0.1);
    transform: translateY(-2px);
}

.form-group input:hover:not(:focus),
.form-group textarea:hover:not(:focus) {
    border-color: rgba(57, 255, 20, 0.5);
}

.checkbox-grid { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 1rem;
}

.checkbox-label {
    display: inline-block;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.checkbox-label:hover {
    transform: translateY(-2px);
}

.checkbox-label input[type="checkbox"] { 
    display: none; 
}

.checkbox-label span {
    padding: 10px 20px;
    background-color: var(--input-bg);
    border: 2px solid var(--input-border);
    border-radius: 50px;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
}

.checkbox-label:hover span { 
    border-color: var(--text-muted);
    background-color: rgba(160, 160, 160, 0.05);
}

.checkbox-label input:checked + span {
    background-color: rgba(57, 255, 20, 0.15);
    border-color: var(--primary-green);
    color: var(--primary-green);
    box-shadow: 0 0 15px rgba(57, 255, 20, 0.2);
    transform: scale(1.05);
}

.submit-group {
    display: flex;
    justify-content: flex-end;
    margin-top: 1rem;
    animation: fadeIn 0.8s ease-out 0.5s backwards;
}

.cta-button {
    background-color: var(--primary-green); 
    color: #000; 
    padding: 15px 40px; 
    text-decoration: none;
    font-weight: 700; 
    border-radius: 8px; 
    font-size: 1.1rem; 
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: none; 
    cursor: pointer;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.3s ease;
    border-radius: 8px;
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(57, 255, 20, 0.4);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:active {
    transform: translateY(-2px);
}

.cta-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* ===== 4. ANİMASYONLAR ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal { 
    opacity: 0; 
    transform: translateY(20px); 
    transition: opacity 0.8s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.is-visible.reveal { 
    opacity: 1; 
    transform: translateY(0);
}

/* ===== 5. MOBİL UYUMLULUK ===== */
@media (max-width: 768px) {
    .header-container { 
        height: 80px; 
    }

    .form-grid { 
        grid-template-columns: 1fr; 
        gap: 1.5rem;
    }

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

    .contact-header h1,
    .contact-header h2 {
        text-align: center;
    }

    .contact-header p { 
        margin: 0 auto; 
    }

    .submit-group { 
        justify-content: center; 
    }

    .cta-button {
        width: 100%;
        max-width: 400px;
    }

    .checkbox-grid {
        justify-content: center;
        gap: 0.75rem;
    }

    .checkbox-label span {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
}
/* ==========================================================================
   ARKA PLAN V�DEOSU ST�LLER�
   ========================================================================== */

.video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(18, 18, 18, 0.7); /* Videoyu karartmak i�in opakl�k ayar� */
    z-index: 1;
}

/* ��eri�in videonun �zerinde kalmas�n� sa�la */
main, header, footer {
    position: relative;
    z-index: 2;
}

/* Header ve Footer arka planlarını biraz daha şeffaf yapabiliriz ki video alttan belli olsun */
header.minimal-header {
    background: transparent;
    backdrop-filter: none;
    border-bottom: none;
}

footer {
    background: rgba(18, 18, 18, 0.164);
    backdrop-filter: blur(10px);
}