/* =========================================
   1. CORE VARIABLES & RESET
   ========================================= */
:root {
    /* Enerjik & Modern Renk Paleti */
    --bg-light: #f8fafc;
    --bg-dark: #020617; 
    
    --text-light: #334155;
    --text-dark: #f8fafc;
    
    --text-muted-light: #64748b;
    --text-muted-dark: #94a3b8;

    /* NEON PALET */
    --primary-color: #4cc9f0; 
    --primary-dark: #4361ee;
    --accent-color: #f72585;  
    --secondary-accent: #7209b7; 
    
    /* Canlı Gradyanlar */
    --gradient-primary: linear-gradient(135deg, #4361ee 0%, #f72585 100%);
    --gradient-glow: linear-gradient(90deg, #4cc9f0, #7209b7, #f72585);
    
    /* UI Elementleri */
    --border-radius: 20px;
    --glass-bg-light: rgba(255, 255, 255, 0.65);
    --glass-bg-dark: rgba(15, 23, 42, 0.6);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    
    /* Gölgeler */
    --shadow-soft: 0 10px 40px -10px rgba(0,0,0,0.1);
    --shadow-glow-blue: 0 0 20px rgba(67, 97, 238, 0.5);
    --shadow-glow-pink: 0 0 20px rgba(247, 37, 133, 0.5);
    
    --transition-fast: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Dark Mode Variables */
html.dark-mode {
    --bg-curr: var(--bg-dark);
    --text-curr: var(--text-dark);
    --text-muted: var(--text-muted-dark);
    --glass-bg: var(--glass-bg-dark);
    --card-bg: rgba(30, 41, 59, 0.4);
    --border-color: rgba(255,255,255,0.08);
}

/* Light Mode Variables */
html {
    --bg-curr: var(--bg-light);
    --text-curr: var(--text-light);
    --text-muted: var(--text-muted-light);
    --glass-bg: var(--glass-bg-light);
    --card-bg: rgba(255, 255, 255, 0.8);
    --border-color: rgba(0,0,0,0.05);
}

* { box-sizing: border-box; margin: 0; padding: 0; outline: none; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-curr);
    color: var(--text-curr);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(67, 97, 238, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(247, 37, 133, 0.08), transparent 25%);
    background-attachment: fixed;
}

/* =========================================
   2. TYPOGRAPHY & ANIMATIONS
   ========================================= */
h1, h2, h3, h4 { 
    color: var(--text-curr); 
    font-weight: 800; 
    line-height: 1.1;
    letter-spacing: -0.02em;
    word-wrap: break-word;
}

h1 { 
    font-size: 4rem; 
    background: var(--gradient-glow);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text; /* Standart özellik eklendi */
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    animation: shine 5s linear infinite;
}

@keyframes shine { to { background-position: 200% center; } }

@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr !important; }
}

.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s ease; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* =========================================
   3. MODERN FLOATING HEADER (Yüzen Menü)
   ========================================= */
header.floating-header {
    position: fixed;
    top: 20px;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    justify-content: center;
    padding: 0 15px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.header-inner {
    width: 100%;
    max-width: 1050px; 
    height: 70px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-radius: 100px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
    
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10px 0 25px;
    transition: all 0.4s ease;
}

html.dark-mode .header-inner {
    background: rgba(15, 23, 42, 0.65);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

header.scrolled { top: 10px; }
header.scrolled .header-inner {
    height: 60px;
    max-width: 1000px; 
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}
html.dark-mode header.scrolled .header-inner {
    background: rgba(2, 6, 23, 0.85);
}

.nav-logo { height: 50px; width: auto; transition: transform 0.3s ease; }
.logo-area:hover .nav-logo { transform: scale(1.05); }

/* Navigasyon Linkleri */
.center-nav { display: flex; gap: 5px; }

.nav-item {
    color: var(--text-curr);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
    opacity: 0.8;
    white-space: nowrap;
}

.nav-item:hover {
    background: rgba(128, 128, 128, 0.1);
    color: var(--primary-color);
    opacity: 1;
}
.nav-item::after {
    content: ''; position: absolute; bottom: 4px; left: 50%;
    transform: translateX(-50%) scale(0); width: 4px; height: 4px;
    background: var(--accent-color); border-radius: 50%; transition: 0.3s;
}
.nav-item:hover::after { transform: translateX(-50%) scale(1); }

/* Sağ Butonlar */
.right-actions { display: flex; align-items: center; gap: 8px; }

.header-contact-btn {
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-curr);
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: rgba(128, 128, 128, 0.06);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.header-contact-btn:hover {
    color: white;
    background: var(--gradient-primary);
    border-color: transparent;
}

.icon-btn, .lang-btn {
    width: 38px; height: 38px; border-radius: 50%;
    border: 1px solid transparent; background: transparent;
    color: var(--text-curr); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: 0.3s;
}
.icon-btn:hover, .lang-btn:hover { background: rgba(128, 128, 128, 0.1); color: var(--primary-color); }

/* HEADER İÇİNDEKİ GENEL DEMO BUTONU */
.demo-btn {
    background: var(--text-curr); color: var(--bg-curr);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.85rem; font-weight: 700; text-decoration: none;
    display: flex; align-items: center; gap: 8px;
    transition: all 0.3s ease; box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    white-space: nowrap;
}
html.dark-mode .demo-btn { background: white; color: black; }
.demo-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(76, 201, 240, 0.4);
    background: var(--gradient-primary); color: white;
}

/* HAMBURGER MENÜ */
.hamburger-btn { display: none; }

@media (max-width: 991px) {
    .center-nav { display: none; }
    .header-inner { padding: 0 15px; } 
    .header-contact-btn { display: none; }
    .demo-btn span { display: none; }
    .demo-btn { 
        padding: 0; width: 40px; height: 40px; 
        justify-content: center; border-radius: 50%; 
    }
    .demo-btn i { margin: 0; }
    .hamburger-btn { display: flex; }
}

@media (max-width: 480px) {
    header.floating-header { top: 0; padding: 10px; }
    header.scrolled { top: 0; }
    .header-inner { height: 60px; }
}

/* =========================================
   4. HERO & BUTTONS
   ========================================= */
#hero {
    position: relative; width: 100%; height: 100vh;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden; padding: 0; color: white;
}
#hero-video {
    position: absolute; top: 50%; left: 50%;
    min-width: 100%; min-height: 100%; width: auto; height: auto;
    z-index: 0; transform: translate(-50%, -50%); object-fit: cover;
}
.video-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.5); z-index: 1;
}
#hero .container { position: relative; z-index: 2; width: 90%; text-align: center; }

/* ÖZEL HERO BUTONU DÜZENLEMESİ (GÜNCELLENMİŞ KOD)
   Burada yazıya gradient basıp, arka planı pseudo-element ile veriyoruz.
*/
#hero .demo-btn {
    position: relative !important;
    z-index: 10 !important;
    
    /* Mevcut arka plan ve bordürü temizle */
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    
        /* Fallback color so text is always visible */
        color: var(--primary-color) !important;
        /* We'll apply gradient clip to the inner span `.btn-text` so it reliably shows */
        background: transparent !important;
    
    /* Düzen */
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 35px;
    margin: 30px auto 0;
    max-width: 320px;
    font-weight: 800; /* Kalın yazı şart */
    font-size: 1rem;
    text-decoration: none;
}

/* Beyaz Hap (Arka Plan) */
#hero .demo-btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: #ffffff; /* BEYAZ ZEMİN */
    border-radius: 50px;
    z-index: -1; /* Yazının arkasında */
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* İç metin için: H1 ile aynı kayan gradyan (shine) */
#hero .demo-btn .btn-text {
    background: var(--gradient-glow);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    display: inline-block;
    animation: shine 5s linear infinite;
}

/* İkon (ok) için de aynı renk geçişi */
#hero .demo-btn i {
    background: var(--gradient-glow);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    display: inline-block;
    animation: shine 5s linear infinite;
}

/* Hover Efekti */
#hero .demo-btn:hover {
    transform: translateY(-3px);
}
#hero .demo-btn:hover::before {
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

/* Mobil: hero butonunu daha büyük ve okunaklı yap */
@media (max-width: 480px) {
    #hero .demo-btn {
        padding: 18px 36px !important;
        font-size: 1.2rem !important;
        max-width: none !important;
        width: min(86%, 420px) !important;
        margin: 18px auto 0 !important;
        border-radius: 48px !important;
        display: inline-flex !important;
        justify-content: center !important;
    }
    #hero .demo-btn::before {
        border-radius: 48px !important;
        box-shadow: 0 14px 36px rgba(0,0,0,0.25) !important;
    }
    #hero .demo-btn .btn-text {
        font-size: 1.18rem !important;
        line-height: 1 !important;
        padding: 0 4px !important;
    }
}


/* =========================================
   5. CARDS & SECTIONS
   ========================================= */
.container {
    width: 90%; max-width: 1200px; margin: 0 auto;
}
.section-padded { padding: 80px 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.card-common {
    background: var(--card-bg);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    padding: 40px; border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    transition: var(--transition-fast);
}
.hover-card:hover { transform: translateY(-10px); box-shadow: 0 20px 50px -10px rgba(67, 97, 238, 0.2); }

.roi-card {
    text-align: center; padding: 40px 20px;
    border-radius: 24px; background: rgba(128,128,128,0.03);
    border: 1px solid transparent; transition: 0.3s;
}
.roi-card:hover { background: var(--card-bg); border-color: var(--accent-color); transform: scale(1.05); }
.roi-value {
    font-size: 3rem; font-weight: 800; display: block;
    background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

/* =========================================
   6. CONTACT & FOOTER
   ========================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
@media(max-width: 900px) {
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

.contact-animated-block {
    animation: contactSlideIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.contact-grid > .contact-animated-block:nth-child(2) {
    animation-delay: 0.12s;
}

@keyframes contactSlideIn {
    from { opacity: 0; transform: translateY(30px) scale(0.985); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.contact-form-container {
    position: relative;
}

.contact-title {
    position: relative;
    display: inline-block;
}

.contact-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 90px;
    height: 4px;
    border-radius: 999px;
    background: var(--gradient-primary);
}

.contact-subtitle {
    margin-top: 16px;
}

.contact-form input, .contact-form textarea {
    width: 100%; padding: 20px; margin-bottom: 20px;
    background: var(--bg-curr); border: 2px solid var(--border-color);
    border-radius: 16px; font-family: inherit; color: var(--text-curr);
    transition: 0.3s; font-size: 0.95rem; max-width: 100%;
}

.contact-form input,
.contact-form textarea,
.contact-form .contact-submit-btn {
    opacity: 0;
    transform: translateY(12px);
    animation: contactFieldIn 0.55s ease forwards;
}

.contact-form input:nth-of-type(1) { animation-delay: 0.1s; }
.contact-form input:nth-of-type(2) { animation-delay: 0.17s; }
.contact-form input:nth-of-type(3) { animation-delay: 0.24s; }
.contact-form textarea { animation-delay: 0.31s; }
.contact-form .contact-submit-btn { animation-delay: 0.38s; }

@keyframes contactFieldIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(76, 201, 240, 0.15);
}

.cta-button {
    appearance: none;
    border: none;
    cursor: pointer;
    padding: 14px 26px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    color: #ffffff;
    background: var(--gradient-primary);
    box-shadow: 0 12px 28px rgba(67, 97, 238, 0.34);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 30px rgba(247, 37, 133, 0.35);
    filter: saturate(1.1);
}

.cta-button:active {
    transform: translateY(0);
}

.cta-button:disabled {
    opacity: 0.75;
    cursor: not-allowed;
}

.contact-submit-btn {
    width: 100%;
    min-height: 56px;
}

.contact-info-panel {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white; padding: 40px; border-radius: 30px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3); position: relative;
    overflow: hidden; border: 1px solid rgba(255,255,255,0.1);
}

.contact-info-panel::before {
    content: '';
    position: absolute;
    width: 220px;
    height: 220px;
    top: -90px;
    right: -70px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(76, 201, 240, 0.35), transparent 70%);
    z-index: 1;
    animation: panelGlow 5.5s ease-in-out infinite;
}

@keyframes panelGlow {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.12); opacity: 1; }
}

.contact-info-panel * { position: relative; z-index: 2; word-wrap: break-word; }

.info-group { display: flex; gap: 20px; margin-bottom: 30px; }
.info-group i { font-size: 1.5rem; color: var(--primary-color); margin-top: 5px; flex-shrink: 0; }

footer {
    border-top: 1px solid var(--border-color);
    margin-top: 60px; padding: 40px 0;
    text-align: center; background: linear-gradient(to bottom, transparent, rgba(128,128,128,0.02));
}
footer img { filter: grayscale(100%); opacity: 0.5; transition: 0.3s; }
footer img:hover { filter: grayscale(0%); opacity: 1; }

.social-links { 
    display: flex; 
    justify-content: center; 
    gap: 15px; 
    margin: 20px 0; 
}

.social-icon { 
    width: 40px; 
    height: 40px; 
    border-radius: 50%; 
    background: rgba(128, 128, 128, 0.1); 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    color: var(--text-curr); 
    font-size: 1.1rem; 
    text-decoration: none; 
    transition: all 0.3s ease; 
    border: 1px solid rgba(128, 128, 128, 0.2); 
}

.social-icon:hover { 
    transform: translateY(-3px); 
    color: white; 
    border-color: transparent; 
}

.social-icon.instagram:hover { 
    background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%); 
    box-shadow: 0 5px 15px rgba(214, 36, 159, 0.4); 
}

.social-icon.linkedin:hover { 
    background: #0077b5; 
    box-shadow: 0 5px 15px rgba(0, 119, 181, 0.4); 
}

.social-icon.website:hover { 
    background: var(--primary-color); 
    box-shadow: 0 5px 15px rgba(76, 201, 240, 0.4); 
}

/* =========================================
   7. CHATBOT
   ========================================= */
#chatbot-toggle {
    position: fixed; bottom: 30px; right: 30px;
    width: 60px; height: 60px;
    background: var(--gradient-primary); color: white;
    border-radius: 50%; border: none; font-size: 24px;
    cursor: pointer; z-index: 2000; transition: var(--transition-bounce);
}
#chatbot-toggle:hover { transform: scale(1.1) rotate(15deg); }

.chat-window {
    position: fixed; bottom: 100px; right: 30px; width: 380px; height: 500px;
    background: var(--bg-curr); border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2); display: none;
    flex-direction: column; z-index: 1999; border: 1px solid var(--border-color);
    overflow: hidden;
}

@media (max-width: 480px) {
    .chat-window {
        width: 90%; 
        right: 5%; 
        height: 60vh; 
        bottom: 100px;
    }
    #chatbot-toggle { bottom: 20px; right: 20px; width: 50px; height: 50px; }
}

.chat-header {
    background: var(--gradient-primary); color: white; padding: 15px 20px;
    font-weight: 700; display: flex; justify-content: space-between; align-items: center;
}
.chat-body { flex: 1; padding: 20px; overflow-y: auto; background: var(--bg-curr); }
.msg { padding: 10px 14px; border-radius: 18px; margin-bottom: 10px; font-size: 0.9rem; max-width: 85%; }
.msg.bot { background: rgba(128,128,128,0.08); color: var(--text-curr); border-bottom-left-radius: 4px; }
.msg.user { background: var(--primary-dark); color: white; align-self: flex-end; margin-left: auto; border-bottom-right-radius: 4px; }

.chat-footer {
    padding: 15px; border-top: 1px solid var(--border-color);
    display: flex; gap: 10px; background: var(--bg-curr);
}
.chip {
    font-size: 0.75rem; padding: 6px 12px; border-radius: 20px;
    border: 1px solid var(--primary-color); color: var(--primary-color);
    background: transparent; cursor: pointer; margin-bottom: 5px; margin-right: 5px;
}
.chip:hover { background: var(--primary-color); color: white; }

/* =========================================
   8. PROCESS & OTHERS
   ========================================= */
.process-section {
    background: linear-gradient(to bottom, var(--bg-curr), rgba(67, 97, 238, 0.05));
    position: relative;
    overflow: hidden;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
}

.process-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.steps-container {
    position: relative;
    padding-left: 20px;
    border-left: 2px dashed rgba(128, 128, 128, 0.2);
}

.step-item {
    position: relative;
    padding: 30px;
    margin-bottom: 30px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    backdrop-filter: blur(10px);
}

.step-item:last-child { margin-bottom: 0; }

.step-number {
    position: absolute;
    left: -41px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: var(--bg-curr);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
    transition: 0.3s ease;
    z-index: 2;
}

.step-item:hover, .step-item.active-step {
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.1), rgba(247, 37, 133, 0.1));
    border-color: var(--primary-color);
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(67, 97, 238, 0.15);
}

.step-item:hover .step-number, .step-item.active-step .step-number {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 0 15px var(--primary-color);
}

.step-content h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
    color: var(--text-curr);
}

.step-content p {
    font-size: 0.95rem;
    opacity: 0.8;
    margin: 0;
}

.visual-container {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-circle-bg {
    position: absolute;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(67,97,238,0.2) 0%, rgba(0,0,0,0) 70%);
    animation: pulseGlow 4s infinite ease-in-out;
}

@keyframes pulseGlow {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.visual-content {
    position: relative;
    z-index: 2;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-curr);
    box-shadow: 0 20px 50px rgba(0,0,0,0.1);
    transition: all 0.5s ease;
}

html.dark-mode .visual-content {
    background: rgba(30, 41, 59, 0.6);
    border-color: rgba(255, 255, 255, 0.1);
}

.visual-content i {
    font-size: 4rem;
    margin-bottom: 15px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: transform 0.3s;
}

.visual-content span {
    font-weight: 700;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

@media (max-width: 900px) {
    .process-wrapper {
        grid-template-columns: 1fr;
    }
    .visual-container {
        height: 300px;
        order: -1; 
    }
    .steps-container {
        padding-left: 0;
        border-left: none;
    }
    .step-number {
        display: none; 
    }
}

/* --- Tech Page Styles --- */
.tech-hero {
    padding-top: 150px;
    padding-bottom: 80px;
    background: radial-gradient(circle at top center, rgba(67, 97, 238, 0.15), transparent 60%);
    overflow: hidden;
}

.badge-tech {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 30px;
    background: rgba(247, 37, 133, 0.1);
    color: var(--accent-color);
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    border: 1px solid rgba(247, 37, 133, 0.3);
}

.architecture-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.arch-col { display: flex; flex-direction: column; gap: 20px; }

.arch-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 15px 25px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    width: 200px;
    box-shadow: var(--shadow-soft);
    transition: 0.3s;
}
.arch-card i { color: var(--primary-color); font-size: 1.2rem; }
.arch-card:hover { transform: translateX(5px); border-color: var(--primary-color); }

.arch-arrow-group {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    height: 180px;
}
.arrow-line {
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, var(--border-color), var(--primary-color));
    position: relative;
}
.arrow-line::after {
    content: ''; position: absolute; right: 0; top: -3px;
    width: 6px; height: 6px; border-radius: 50%; background: var(--primary-color);
    animation: flowData 1s infinite;
}

@keyframes flowData { 0%{opacity:0; transform:translateX(-50px);} 100%{opacity:1; transform:translateX(0);} }

.arch-core {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.core-circle {
    width: 160px;
    height: 160px;
    background: var(--bg-curr);
    border-radius: 50%;
    border: 2px solid rgba(67, 97, 238, 0.3);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 0 30px rgba(67, 97, 238, 0.2);
}
.core-circle i { font-size: 3rem; margin-bottom: 10px; color: var(--accent-color); }
.orbit {
    position: absolute; width: 100%; height: 100%;
    border: 1px dashed var(--primary-color); border-radius: 50%;
    animation: spin 10s linear infinite;
}
@keyframes spin { 100% { transform: rotate(360deg); } }

.arch-result {
    background: linear-gradient(135deg, #4361ee 0%, #4cc9f0 100%);
    color: white;
    padding: 30px;
    border-radius: 20px;
    width: 200px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(67, 97, 238, 0.4);
}
.stat-bar {
    width: 100%; height: 6px; background: rgba(255,255,255,0.3);
    border-radius: 10px; margin: 15px 0 5px; overflow: hidden;
}
.stat-bar .fill { height: 100%; background: white; }

.check-list { list-style: none; margin-top: 20px; }
.check-list li { margin-bottom: 10px; display: flex; align-items: center; gap: 10px; opacity: 0.8; }
.check-list li::before {
    content: '\f00c'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
    color: var(--primary-color);
}

@media (max-width: 900px) {
    .architecture-diagram { flex-direction: column; }
    .arch-arrow-group { display: none; }
    .arch-arrow-single { transform: rotate(90deg); margin: 20px 0; }
}

/* About Us Section Styles */
.about-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 60px;
    background: var(--card-bg);
    padding: 50px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
    margin-bottom: 50px;
}

.about-logo-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-right: 1px solid var(--border-color);
    padding-right: 50px;
    position: sticky;
    top: 120px;
}

.about-logo-img {
    max-width: 100%;
    height: auto;
    margin-bottom: 30px;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.1));
}

.about-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.tag {
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(67, 97, 238, 0.2);
    transition: 0.3s;
}

.tag:hover {
    background: var(--primary-color);
    color: white;
}

.about-content-col { flex: 2; }
.about-content-col p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

@media (max-width: 900px) {
    .about-wrapper {
        flex-direction: column;
        text-align: center;
        gap: 40px;
        padding: 30px;
    }
    .about-logo-col {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-right: 0;
        padding-bottom: 30px;
        width: 100%;
        position: static;
    }
}

/* Reduce top padding and min-height on very small screens to avoid empty space */
@media (max-width: 480px) {
    #about-page {
        /* Ensure heading isn't covered by fixed header on small screens */
        padding-top: 110px !important;
        min-height: auto !important;
    }
    .about-wrapper { padding: 20px !important; gap: 20px !important; }
    .about-content-col p { font-size: 1rem !important; }
}

header.solid-header .header-inner {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0,0,0,0.05);
}

html.dark-mode header.solid-header .header-inner {
    background: rgba(2, 6, 23, 0.90);
    border-color: rgba(255,255,255,0.05);
}

/* =========================================
   9. MOBILE MENU OVERLAY STYLES
   ========================================= */
#mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-curr);
    z-index: 2500;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(20px);
}

/* Aktif olunca ekrana gelsin */
#mobile-menu-overlay.active {
    transform: translateX(0);
}

#close-mobile-menu {
    position: absolute;
    top: 30px;
    right: 30px;
    background: transparent;
    border: none;
    font-size: 2rem;
    color: var(--text-curr);
    cursor: pointer;
    transition: 0.3s;
}
#close-mobile-menu:hover { color: var(--accent-color); transform: rotate(90deg); }

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 25px;
    text-align: center;
}

.m-link {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-curr);
    text-decoration: none;
    transition: 0.3s;
    opacity: 0.8;
}

.m-link:hover {
    color: var(--primary-color);
    opacity: 1;
    transform: scale(1.05);
}

.m-link.highlight {
    color: var(--accent-color);
    margin-top: 20px;
    border: 2px solid var(--accent-color);
    padding: 10px 30px;
    border-radius: 50px;
    font-size: 1.2rem;
}
.m-link.highlight:hover {
    background: var(--accent-color);
    color: white;
}