/* ================= 1. TEMEL AYARLAR & DEĞİŞKENLER ================= */
:root {
    --bg-dark: #0f0c29;       
    --bg-gradient: linear-gradient(to right, #0f0c29, #302b63, #24243e);
    --primary-purple: #6a11cb; 
    --primary-pink: #2575fc;   
    --accent-glow: rgba(106, 17, 203, 0.6);
    --gradient-brand: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%); 
    --bright-cyan: linear-gradient(135deg, #00e5ff 0%, #2979ff 100%);
    --text-white: #ffffff;
    --text-gray: #d1d1d1;
    --text-dark: #222222; 
    --text-muted: #666666;
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* SIFIRLAMA & TEMEL STİLLER */
* { margin: 0; padding: 0; box-sizing: border-box; text-decoration: none; list-style: none; }

html { scroll-behavior: smooth; }

body {
    background: var(--bg-dark);
    font-family: var(--font-body);
    overflow-x: hidden;
}

/* FORM ELEMANLARI GENEL AYAR */
input, textarea, select {
    cursor: text;
    font-family: var(--font-body);
}

/* GÖRSEL KORUMA (Hata Düzeltildi) */
img {
    -webkit-user-drag: none; 
    user-select: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    pointer-events: none; 
}

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

/* ================= 2. HEADER ================= */
header { 
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000; 
    padding: 15px 0; transition: 0.3s; 
}

/* Header Scroll Durumu (Daha Opak ve Logosu Küçülen) */
header.scrolled { 
    background: rgba(15, 12, 41, 0.98); /* %98 Opaklık */
    padding: 10px 0; 
    box-shadow: 0 2px 15px rgba(0,0,0,0.5); 
    backdrop-filter: blur(5px); 
}

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

.brand-logo { 
    display: flex; align-items: center; gap: 12px; 
    font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: var(--text-white); 
}

/* Logo Boyutu (Büyütüldü) */
.brand-logo img { 
    height: 55px; width: auto; transition: 0.3s;
}

/* Scroll yapılınca logo eski boyutuna dönsün (Taşmayı önlemek için) */
header.scrolled .brand-logo img { height: 45px; }

.nav-links { display: flex; gap: 35px; align-items: center; }
.nav-links a { color: var(--text-gray); font-weight: 500; transition: 0.3s; position: relative; }
.nav-links a:not(.btn-primary):hover { color: var(--text-white); }
.nav-links a:not(.btn-primary)::after { content: ''; position: absolute; width: 0; height: 2px; bottom: -5px; left: 0; background: var(--gradient-brand); transition: 0.3s; }
.nav-links a:not(.btn-primary):hover::after { width: 100%; }

.btn-primary { 
    background: var(--gradient-brand); color: var(--text-white) !important; 
    padding: 12px 30px; border-radius: 50px; font-weight: 600; 
    font-family: var(--font-heading); transition: 0.3s; border: none; cursor: pointer; 
    box-shadow: 0 4px 15px rgba(106, 17, 203, 0.3); display: inline-block; 
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(37, 117, 252, 0.5); }

.btn-outline { 
    background: transparent; border: 2px solid rgba(255,255,255,0.2); 
    color: var(--text-white); padding: 12px 30px; border-radius: 50px; 
    font-weight: 600; transition: 0.3s; display: inline-block; 
}
.btn-outline:hover { border-color: var(--text-white); background: rgba(255,255,255,0.05); }

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

/* ================= 3. HERO SECTION ================= */
.hero { 
    position: relative; padding: 160px 0 200px; 
    display: flex; align-items: center; min-height: 100vh; 
    background: var(--bg-dark); background-image: var(--bg-gradient); overflow: hidden; 
}
.hero::before { 
    content: ''; position: absolute; top: -10%; right: -10%; 
    width: 600px; height: 600px; 
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%); 
    z-index: 0; opacity: 0.5; filter: blur(50px); 
}
.hero-content { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 50px; position: relative; z-index: 10; }
.hero-text { flex: 1; min-width: 350px; position: relative; z-index: 30; }

.badge { 
    display: inline-block; padding: 8px 16px; 
    background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.2); 
    border-radius: 30px; font-size: 0.9rem; margin-bottom: 20px; color: #bdc3c7; 
}
.badge i { color: #2575fc; margin-right: 8px; }

.hero-text h1 { 
    font-size: 3.5rem; line-height: 1.2; margin-bottom: 20px; 
    background: linear-gradient(to right, #fff, #a5a5a5); 
    background-clip: text; -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; color: transparent; 
}
.hero-text p { font-size: 1.1rem; color: var(--text-gray); margin-bottom: 35px; max-width: 90%; }
.hero-buttons { display: flex; gap: 20px; }

.hero-image { flex: 1; display: flex; justify-content: center; position: relative; z-index: 5; }
.floating-img-wrapper { text-align: center; animation: float 6s ease-in-out infinite; }
.hero-3d-img { width: 100%; max-width: 750px; height: auto; transform: rotate(-5deg); margin-bottom: -250px; margin-right: -60px; filter: drop-shadow(0 20px 40px rgba(0,0,0,0.5)); }

@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-20px); } 100% { transform: translateY(0px); } }

.cloud-divider { position: absolute; bottom: -1px; left: 0; width: 100%; overflow: hidden; line-height: 0; transform: rotate(180deg); z-index: 20; }
.cloud-divider svg { position: relative; display: block; width: calc(130% + 1.3px); height: 150px; }
.cloud-divider .shape-fill { fill: #ffffff; }

/* ================= 4. FEATURES SECTION ================= */
.features-section { 
    position: relative; background-color: #ffffff; 
    background-image: linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px); 
    background-size: 40px 40px; padding: 80px 0 100px; z-index: 1; margin-top: -1px; 
}
.section-title { text-align: center; margin-bottom: 60px; }
.section-title h2 { font-size: 2.5rem; font-family: var(--font-heading); margin-bottom: 15px; color: var(--text-dark); }
.section-title .highlight { color: var(--primary-pink); }
.section-title p { color: var(--text-muted); }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.feature-card { 
    background: #ffffff; padding: 40px 30px; border-radius: 20px; 
    border: 1px solid #f0f0f0; text-align: center; transition: 0.4s ease; 
    box-shadow: 0 10px 40px rgba(0,0,0,0.05); 
}
.feature-card:hover { transform: translateY(-10px); border-color: var(--primary-purple); box-shadow: 0 20px 50px rgba(106, 17, 203, 0.15); }

.card-icon-area { height: 120px; display: flex; align-items: center; justify-content: center; margin-bottom: 25px; }
.feature-3d-img { max-height: 100%; max-width: 100%; filter: drop-shadow(0 10px 20px rgba(0,0,0,0.1)); transition: 0.4s; }
.feature-card:hover .feature-3d-img { transform: scale(1.1) rotate(5deg); }

.feature-card h3 { font-family: var(--font-heading); font-size: 1.5rem; margin-bottom: 15px; color: var(--text-dark); }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; }

/* ================= 5. PROCESS SECTION ================= */
.process-section { position: relative; background-color: var(--bg-dark); padding: 100px 0 120px; margin-top: -1px; }
.process-wave-top, .process-wave-bottom { position: absolute; left: 0; width: 100%; overflow: hidden; line-height: 0; z-index: 1; }
.process-wave-top { top: -1px; }
.process-wave-bottom { bottom: -1px; transform: rotate(180deg); }
.process-wave-top svg, .process-wave-bottom svg { position: relative; display: block; width: calc(130% + 1.3px); height: 100px; }
.process-wave-top .shape-fill, .process-wave-bottom .shape-fill { fill: #ffffff; }

.section-title.dark-mode-title h2 { color: var(--text-white); }
.section-title.dark-mode-title p { color: var(--text-gray); }

.process-grid { display: flex; justify-content: space-between; align-items: center; margin-top: 50px; gap: 30px; flex-wrap: wrap; position: relative; z-index: 2; }
.process-step { 
    flex: 1; min-width: 250px; background: rgba(255, 255, 255, 0.05); 
    padding: 40px 30px; border-radius: 20px; border: 1px solid rgba(255,255,255,0.05); 
    text-align: center; transition: 0.3s; 
}
.process-step:hover { transform: translateY(-5px); background: rgba(255, 255, 255, 0.08); border-color: var(--primary-purple); }

.step-number { 
    width: 60px; height: 60px; background: var(--gradient-brand); 
    border-radius: 50%; display: flex; align-items: center; justify-content: center; 
    font-size: 1.5rem; font-weight: 700; color: var(--text-white); 
    margin: 0 auto 20px; box-shadow: 0 5px 15px rgba(106, 17, 203, 0.4); 
}
.step-content h3 { color: var(--text-white); font-family: var(--font-heading); font-size: 1.3rem; margin-bottom: 15px; }
.step-content p { color: var(--text-gray); font-size: 0.95rem; line-height: 1.6; }
.step-arrow { font-size: 2rem; color: var(--primary-pink); opacity: 0.5; }

/* ================= 6. BRIEF & PDF ANIMASYONU ================= */
.brief-section { 
    position: relative; background: #ffffff; 
    background-image: linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px); 
    background-size: 40px 40px; padding: 80px 0 100px; margin-top: -1px; z-index: 5; 
}
.brief-content { display: flex; align-items: center; justify-content: space-between; gap: 50px; flex-wrap: wrap; }
.brief-text { flex: 1; min-width: 350px; }

.badge-purple-light { 
    display: inline-block; padding: 6px 14px; 
    background: rgba(106, 17, 203, 0.1); color: var(--primary-purple); 
    border-radius: 20px; font-size: 0.85rem; font-weight: 600; margin-bottom: 20px; 
}
.badge-purple-light i { margin-right: 6px; }

.brief-text h2 { font-size: 2.8rem; font-family: var(--font-heading); color: var(--text-dark); margin-bottom: 20px; line-height: 1.2; }
.highlight-purple { color: var(--primary-purple); }
.brief-text p { color: var(--text-muted); font-size: 1rem; line-height: 1.7; margin-bottom: 30px; max-width: 90%; }

.btn-download-purple { 
    display: inline-flex; align-items: center; background: var(--gradient-brand); 
    color: #fff !important; padding: 15px 35px; border-radius: 50px; 
    font-size: 1.1rem; font-weight: 600; transition: 0.3s; 
    box-shadow: 0 10px 20px rgba(106, 17, 203, 0.3); 
}
.btn-download-purple:hover { transform: translateY(-3px); box-shadow: 0 15px 30px rgba(106, 17, 203, 0.5); }
.btn-download-purple i { margin-right: 10px; font-size: 1.2rem; }
.small-note { font-size: 0.8rem; color: #999; margin-top: 15px; font-style: italic; }

.brief-image { 
    flex: 1; display: flex; justify-content: center; align-items: center; 
    perspective: 1000px; /* 3D Efekt İçin */
}

/* PDF Görseli ve Hover Efekti */
.pdf-cover-wrapper img { 
    max-width: 350px; width: 100%; height: auto; 
    filter: drop-shadow(-15px 15px 30px rgba(0,0,0,0.2)); 
    transform: rotateY(-15deg) rotateX(5deg); 
    transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform-style: preserve-3d;
}
.pdf-cover-wrapper img.interactive-pdf:hover {
    transform: scale(1.08) rotate(2deg) rotateY(10deg);
    filter: drop-shadow(-20px 25px 40px rgba(106, 17, 203, 0.4));
    cursor: pointer;
}

/* ================= 7. PRICING SECTION ================= */
.pricing-section { position: relative; padding: 150px 0 120px; background: var(--bg-dark); overflow: hidden; margin-top: -1px; }
.pricing-wave-top { position: absolute; top: -1px; left: 0; width: 100%; overflow: hidden; line-height: 0; }
.pricing-wave-top svg { position: relative; display: block; width: calc(130% + 1.3px); height: 100px; }
.pricing-wave-top .shape-fill { fill: #ffffff; }
.pricing-glow { position: absolute; width: 600px; height: 600px; background: radial-gradient(circle, rgba(106, 17, 203, 0.15) 0%, transparent 70%); top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 0; pointer-events: none; }

.pricing-header { text-align: center; position: relative; z-index: 2; margin-bottom: 70px; }
.acik-net-title { font-size: 5rem; font-weight: 900; font-family: var(--font-heading); color: #ffffff; letter-spacing: -2px; line-height: 1; margin-bottom: 20px; text-transform: uppercase; }
.highlight-dot { color: var(--primary-pink); }
.pricing-subtitle { max-width: 700px; margin: 0 auto; }
.pricing-subtitle .top-line { font-size: 1.3rem; color: var(--text-gray); margin-bottom: 30px; font-weight: 300; }
.pricing-subtitle .bottom-line { font-size: 1.1rem; color: var(--text-white); background: rgba(255,255,255,0.05); display: inline-block; padding: 8px 15px; border-radius: 5px; border: 1px solid rgba(255,255,255,0.1); }
.pricing-subtitle .bottom-line b { color: var(--primary-pink); }

.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; position: relative; z-index: 2; align-items: center; }
.pricing-card { background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 20px; padding: 40px 30px; text-align: center; transition: 0.4s ease; position: relative; }
.pricing-card:hover { transform: translateY(-10px); border-color: rgba(255, 255, 255, 0.3); box-shadow: 0 20px 40px rgba(0,0,0,0.4); }

.card-header h3 { color: var(--text-white); font-size: 1.4rem; margin-bottom: 15px; }
.price { font-size: 3.5rem; font-weight: 700; color: var(--text-white); font-family: var(--font-heading); margin-bottom: 10px; }
.price span { font-size: 1.5rem; font-weight: 400; color: var(--text-gray); }
.price-special-blue { margin-bottom: 10px; height: 70px; display: flex; justify-content: center; align-items: center; }

/* TEKLİF USULÜ YAZISI (Düzeltildi) */
.special-text { 
    font-size: 2rem; font-weight: 700; font-family: var(--font-heading); letter-spacing: 1px; 
    background: var(--gradient-brand); background-clip: text; -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; color: transparent; 
    filter: none; text-shadow: none; 
}

.price-desc { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 30px; min-height: 40px; }
.features-list { text-align: left; margin-bottom: 40px; padding: 0 10px; }
.features-list li { margin-bottom: 15px; color: var(--text-gray); font-size: 0.95rem; display: flex; align-items: flex-start; gap: 10px; }
.features-list li i { color: var(--primary-pink); margin-top: 4px; }
.features-list li strong { color: var(--text-white); }

.pricing-card.popular { background: rgba(30, 27, 75, 0.6); border: 1px solid var(--primary-purple); transform: scale(1.05); box-shadow: 0 10px 50px rgba(106, 17, 203, 0.2); z-index: 5; }
.pricing-card.popular:hover { transform: scale(1.08) translateY(-10px); }
.popular-badge { position: absolute; top: -15px; left: 50%; transform: translateX(-50%); background: var(--gradient-brand); color: #fff; padding: 5px 20px; border-radius: 20px; font-size: 0.8rem; font-weight: 700; text-transform: uppercase; box-shadow: 0 5px 15px rgba(106, 17, 203, 0.4); }

.btn-price-outline { display: block; width: 100%; padding: 15px; border: 1px solid rgba(255,255,255,0.2); color: var(--text-white); border-radius: 50px; font-weight: 600; transition: 0.3s; background: transparent; cursor: pointer; }
.btn-price-outline:hover { background: #fff; color: var(--bg-dark); }
.btn-price-primary { display: block; width: 100%; padding: 15px; background: var(--gradient-brand); color: #fff; border-radius: 50px; font-weight: 600; transition: 0.3s; border: none; cursor: pointer; box-shadow: 0 5px 20px rgba(106, 17, 203, 0.4); }
.btn-price-primary:hover { box-shadow: 0 10px 30px rgba(106, 17, 203, 0.6); transform: translateY(-2px); }

/* ================= 8. İLETİŞİM & DOSYA YÜKLEME (Light) ================= */
.contact-upload-section {
    position: relative; padding: 150px 0 200px; 
    background-color: #ffffff; 
    background-image: linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px); 
    background-size: 40px 40px; z-index: 2;
}

.contact-wave-top { position: absolute; top: -1px; left: 0; width: 100%; overflow: hidden; line-height: 0; }
.contact-wave-top svg { position: relative; display: block; width: calc(130% + 1.3px); height: 100px; }
.contact-wave-top .shape-fill { fill: var(--bg-dark); }

.contact-box-wrapper { display: flex; justify-content: center; gap: 60px; align-items: flex-start; position: relative; z-index: 10; }

.contact-info-side { flex: 1; padding-top: 20px; text-align: left; }
.contact-info-side h2 { font-family: var(--font-heading); color: var(--text-dark); font-size: 2.5rem; margin-bottom: 20px; }
.contact-info-side h2 i { color: var(--primary-purple); margin-right: 10px; }
.info-desc { color: #555; font-size: 1.05rem; line-height: 1.6; margin-bottom: 30px; }

.info-alert-box {
    background: rgba(106, 17, 203, 0.05); border-left: 4px solid var(--primary-purple);
    padding: 20px; border-radius: 8px; display: flex; gap: 15px; margin-bottom: 25px;
    margin-left: 0; margin-right: auto; text-align: left; max-width: 400px;
}
.info-alert-box i { font-size: 1.5rem; color: var(--primary-purple); margin-top: 4px; }
.info-alert-box h4 { color: var(--text-dark); margin-bottom: 5px; font-weight: 700; }
.info-alert-box p { color: #666; font-size: 0.9rem; line-height: 1.5; }
.small-info { font-size: 0.9rem; color: #888; font-style: italic; }

.contact-form-side {
    flex: 0 0 450px; background: #ffffff; border: 1px solid #e0e0e0;
    border-radius: 20px; padding: 35px; box-shadow: 0 10px 40px rgba(0,0,0,0.05);
}

.main-contact-form .form-row { display: flex; gap: 20px; }
.main-contact-form .form-group { margin-bottom: 20px; flex: 1; position: relative; } 
.main-contact-form label { display: block; color: #333; font-size: 0.9rem; margin-bottom: 8px; font-weight: 600; }

/* INPUT & SELECT KUTU EŞİTLEME */
.main-contact-form input, .main-contact-form select, .main-contact-form textarea {
    width: 100%; background: #f9f9f9; border: 1px solid #ddd;
    border-radius: 8px; color: #333; outline: none; transition: 0.3s;
    font-family: var(--font-body); font-size: 0.95rem; box-sizing: border-box;
}

/* Tek Satırlık Alanlar İçin Sabit Yükseklik */
.main-contact-form input, .main-contact-form select {
    height: 55px; padding: 0 20px; line-height: 55px; 
}

/* Mesaj Kutusu Hariç */
.main-contact-form textarea {
    height: auto; padding: 15px 20px; line-height: 1.5; resize: none;
}

/* Select Menü Özelleştirme */
.main-contact-form select {
    appearance: none; -webkit-appearance: none; -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236a11cb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat; background-position: right 20px center; background-size: 16px;
    cursor: pointer;
}

/* Dropdown İçi Renkler */
.main-contact-form select option {
    background-color: #f9f9f9; color: #333; padding: 12px;
}

.main-contact-form input:focus, .main-contact-form select:focus, .main-contact-form textarea:focus {
    background-color: #ffffff; border-color: var(--primary-purple);
    box-shadow: 0 0 0 4px rgba(106, 17, 203, 0.1);
}

.input-error {
    border-color: #ff4757 !important; background-color: #fff0f1 !important;
    animation: shake 0.4s ease-in-out;
}
@keyframes shake {
    0%, 100% { transform: translateX(0); } 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); }
}

.validation-message {
    display: block; margin-top: 5px; font-size: 0.8rem;
    color: #ff4757; font-weight: 600; background: #ffe0e3;
    padding: 5px 10px; border-radius: 5px; border-left: 3px solid #ff4757;
    animation: fadeIn 0.3s ease-in-out;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; transform: translateY(0); } }

/* Dosya Yükleme (Sürükle Bırak Efekti) */
.file-upload-wrapper { position: relative; width: 100%; transition: 0.3s; }
.file-upload-wrapper.drag-over .file-label {
    border-color: var(--primary-purple); background-color: #f0f0ff; transform: scale(1.02);
}

.file-label {
    display: flex; align-items: center; justify-content: center; gap: 15px; 
    width: 100%; padding: 15px; border: 2px dashed #ccc; border-radius: 8px; 
    cursor: pointer; color: #666; transition: 0.3s; background: #f9f9f9; flex-direction: row; 
}
.file-label:hover { border-color: var(--primary-purple); color: var(--primary-purple); background: #f4f0ff; }
.upload-icon-circle {
    width: 35px; height: 35px; background: rgba(106, 17, 203, 0.1);
    border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: 0.3s; flex-shrink: 0;
}
.file-label:hover .upload-icon-circle { background: rgba(106, 17, 203, 0.2); transform: scale(1.1); }
.file-label i { font-size: 1rem; color: var(--primary-purple); }

.file-list-display { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px; }
.file-item {
    background: #fff; border: 1px solid #ddd; padding: 6px 10px; border-radius: 6px;
    display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: #333;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
.file-item .file-name { max-width: 150px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-item .remove-file { color: #ff4757; cursor: pointer; font-size: 0.9rem; transition: 0.2s; }
.file-item .remove-file:hover { transform: scale(1.2); }

.form-submit-area .btn-primary {
    width: 100%; padding: 15px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 1.1rem;
}

/* ================= 9. FOOTER ================= */
footer {
    background: #050414; color: var(--text-white); padding: 0; position: relative; z-index: 5; margin-top: -5px;
}
.footer-wave-smooth { width: 100%; overflow: hidden; line-height: 0; position: relative; top: -1px; z-index: 10; }
.footer-wave-smooth svg { position: relative; display: block; width: calc(100% + 1.3px); height: 120px; }
.footer-wave-smooth .shape-fill { fill: #ffffff; }
.footer-content { padding: 20px 20px 40px; }

.footer-row { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; }
.footer-col { flex: 1; min-width: 200px; }
.footer-col h4 { font-family: var(--font-heading); margin-bottom: 25px; position: relative; display: inline-block; color: #fff; font-size: 1.1rem; letter-spacing: 0.5px; }
.footer-col h4::after { content: ''; position: absolute; left: 0; bottom: -8px; width: 40px; height: 3px; background: var(--gradient-brand); border-radius: 2px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { color: #8892b0; transition: 0.3s; font-size: 0.95rem; }
.footer-col ul li a:hover { color: #fff; padding-left: 5px; text-shadow: 0 0 10px rgba(37, 117, 252, 0.5); }

.social-links a {
    display: inline-flex; width: 40px; height: 40px; background: rgba(255,255,255,0.05); color: #fff;
    border-radius: 50%; justify-content: center; align-items: center; margin-right: 10px; transition: 0.3s; border: 1px solid rgba(255,255,255,0.1);
}
.social-links a:hover { background: var(--primary-purple); border-color: var(--primary-purple); transform: translateY(-3px); box-shadow: 0 5px 15px rgba(106, 17, 203, 0.4); }

.footer-mail-box {
    background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 12px 20px; border-radius: 50px; display: inline-flex; align-items: center; gap: 10px;
    color: #fff; margin-top: 15px; transition: 0.3s; font-size: 0.95rem;
}
.footer-mail-box:hover { background: var(--primary-purple); border-color: var(--primary-purple); box-shadow: 0 5px 15px rgba(106, 17, 203, 0.4); transform: translateY(-3px); }

.footer-bottom { text-align: center; margin-top: 60px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.05); color: #555; font-size: 0.85rem; }
.footer-desc { color: #8892b0; font-size: 0.95rem; line-height: 1.7; max-width: 300px; }

/* ================= 10. MODAL (DARK THEME) ================= */
.modal-overlay { 
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; 
    background: rgba(15, 12, 41, 0.8); backdrop-filter: blur(8px); 
    z-index: 2000; display: flex; justify-content: center; align-items: center; 
    opacity: 0; visibility: hidden; transition: 0.3s ease; 
}
.modal-overlay.active { opacity: 1; visibility: visible; }

.modal-content.dark-modal-card { 
    background: #231f41; width: 95%; max-width: 500px; padding: 35px 30px; 
    border-radius: 20px; position: relative; box-shadow: 0 25px 60px rgba(0,0,0,0.6); 
    transform: translateY(20px); transition: 0.3s ease; border: 1px solid rgba(255,255,255,0.05);
}
.modal-overlay.active .modal-content.dark-modal-card { transform: translateY(0); }

.close-modal-btn { position: absolute; top: 15px; right: 20px; font-size: 1.5rem; color: #bbb; cursor: pointer; transition: 0.3s; background: none; border: none; }
.close-modal-btn:hover { color: #fff; transform: rotate(90deg); }

.modal-header-dark { text-align: center; margin-bottom: 25px; }
.modal-header-dark h3 { font-family: var(--font-heading); color: #fff; font-size: 1.8rem; margin-bottom: 10px; }
.modal-header-dark h3 i { color: #4facfe; margin-left: 8px; }
.modal-header-dark p { color: #aaa; font-size: 0.9rem; line-height: 1.4; padding: 0 20px; }

.quote-form-dark { display: flex; flex-direction: column; gap: 15px; }
.form-group-dark { position: relative; } 
.form-group-dark label { display: block; color: #ccc; font-size: 0.85rem; margin-bottom: 6px; font-weight: 500; }

.form-group-dark input, .form-group-dark textarea {
    width: 100%; padding: 12px 15px; background: rgba(255, 255, 255, 0.08); 
    border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 10px;
    color: #fff; font-size: 0.95rem; outline: none; transition: 0.3s;
}
.form-group-dark input:focus, .form-group-dark textarea:focus { background: rgba(255, 255, 255, 0.12); border-color: #4facfe; }
.form-grid-dark { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

.btn-submit-gradient {
    margin-top: 10px; width: 100%; padding: 14px; background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
    color: #fff; border: none; border-radius: 30px; font-weight: 600; font-size: 1rem; cursor: pointer;
    box-shadow: 0 5px 20px rgba(37, 117, 252, 0.4); transition: 0.3s;
}
.btn-submit-gradient:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37, 117, 252, 0.6); }

.suggestions-list-white {
    position: absolute; top: 100%; left: 0; width: 100%; background: #e6e6e6; 
    border-radius: 8px; max-height: 140px; overflow-y: auto; z-index: 50;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5); display: none; margin-top: 5px;
}
.suggestions-list-white.active { display: block; }
.suggestions-list-white::-webkit-scrollbar { width: 5px; }
.suggestions-list-white::-webkit-scrollbar-thumb { background: #999; border-radius: 10px; }
.suggestions-list-white li { padding: 10px 15px; color: #333; font-size: 0.9rem; cursor: pointer; border-bottom: 1px solid #dcdcdc; transition: 0.2s; }
.suggestions-list-white li:last-child { border-bottom: none; }
.suggestions-list-white li:hover { background: #cccccc; color: #000; }

@media (max-width: 900px) {
    .contact-box-wrapper { flex-direction: column; align-items: center; text-align: center; gap: 30px; }
    .contact-info-side { text-align: center; padding-right: 0; }
    .contact-info-side h2, .contact-info-side p, .small-info { text-align: center; }
    .info-alert-box { margin: 0 auto 30px auto; }
    .contact-form-side { width: 100%; max-width: 100%; flex: auto; }
}

@media (max-width: 768px) {
    .hamburger { display: block; } .desktop-only { display: none; } .mobile-only { display: block; margin-top: 20px; }
    .nav-links { position: absolute; top: 70px; right: -100%; width: 100%; height: 100vh; background: var(--bg-dark); flex-direction: column; justify-content: center; align-items: center; transition: 0.4s ease-in-out; z-index: 999; }
    .nav-links.active { right: 0; }
    .hero-text h1 { font-size: 2.5rem; }
    .hero { padding-top: 120px; text-align: center; }
    .hero-content { flex-direction: column-reverse; } .hero-image { margin-bottom: -50px; }
    .hero-3d-img { max-width: 320px; margin-right: 0; margin-bottom: -20px; }
    .features-section { padding-top: 50px; } .process-grid { flex-direction: column; }
    .step-arrow { transform: rotate(90deg); margin: 10px 0; }
    .brief-content { flex-direction: column-reverse; text-align: center; } .brief-text h2 { font-size: 2rem; }
    .brief-image { margin-bottom: 30px; }
    .pdf-cover-wrapper img { transform: none; filter: drop-shadow(0 10px 20px rgba(0,0,0,0.1)); max-width: 250px; }
    .acik-net-title { font-size: 3rem; }
    .pricing-card.popular { transform: scale(1); margin: 20px 0; } .pricing-card.popular:hover { transform: translateY(-5px); }
    .form-row { flex-direction: column; gap: 0; }
    .modal-content { padding: 30px 20px; width: 95%; }
    .main-contact-form .form-row { flex-direction: column; gap: 0; }
}

@media (max-width: 600px) {
    .modal-content.dark-modal-card { width: 90%; padding: 30px 20px; } .form-grid-dark { grid-template-columns: 1fr; } 
}