:root {
    --bg-color: #FDFCF8;
    --primary: #001100;
    --accent-light: #d7e7d2;
    --accent-dark: #4b7344;
    --text-dark: #1e293b;
    --glass-bg: rgba(253, 252, 248, 0.75);
    --glass-border: rgba(0, 17, 0, 0.05);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { 
    background-color: var(--bg-color); 
    color: var(--text-dark); 
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6; 
    overflow-x: hidden;
    position: relative;
}
body.modal-open { overflow: hidden; }

h1, h2, h3, .section-title { 
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; 
    color: var(--primary); 
    font-weight: 700;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 30px; position: relative; z-index: 10; }
.narrow-container { max-width: 800px; margin: 0 auto; padding: 60px 20px; }

/* AMBIENT GLOW */
.ambient-glow {
    position: fixed; border-radius: 50%; filter: blur(120px); z-index: 1; pointer-events: none;
}
.glow-1 { top: -5%; left: -25vw; width: 35vw; height: 35vw; background: var(--accent-light); opacity: 0.35; }
.glow-2 { bottom: -20%; right: -10%; width: 60vw; height: 60vw; background: rgba(215, 231, 210, 0.4); opacity: 0.5; }

/* HEADER & FLOATING ULTRA-MINIMALIST NAV */
header { position: fixed; top: 0; left: 0; width: 100%; z-index: 100; }
.glass-nav {
    background: var(--glass-bg); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border); padding: 25px 0;
    transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; }

.logo-img { 
    width: 75px; height: 75px; object-fit: contain; background: #ffffff; border-radius: 50%;
    padding: 12px; border: 1px solid rgba(0, 17, 0, 0.08); box-shadow: 0 10px 25px rgba(0, 17, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.logo-link, .lang-switch { transition: all 0.4s ease; }

.glass-nav.scrolled {
    background: transparent !important; backdrop-filter: blur(0px) !important; -webkit-backdrop-filter: blur(0px) !important;
    border-bottom: 1px solid transparent !important; padding: 15px 0;
}
.glass-nav.scrolled .logo-link, .glass-nav.scrolled .lang-switch { opacity: 0.35; }
.glass-nav.scrolled .logo-link:hover, .glass-nav.scrolled .lang-switch:hover { opacity: 1; }
.glass-nav.scrolled .logo-img { transform: scale(0.9); box-shadow: 0 10px 30px rgba(0, 17, 0, 0.1); }

.lang-switch {
    display: flex; align-items: center; gap: 15px; background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px); padding: 10px 22px; border-radius: 30px; border: 1px solid rgba(0,17,0, 0.05);
}
.lang-switch a { text-decoration: none; color: var(--text-dark); font-weight: 700; font-size: 14px; transition: 0.3s; }
.lang-switch a.active { color: var(--accent-dark); }
.lang-switch a:hover { color: var(--accent-dark); }
.divider { width: 1px; height: 14px; background: rgba(0,17,0,0.15); }

/* HERO SECTION */
.hero { min-height: 100vh; display: flex; align-items: center; padding-top: 100px; }
.hero-content { display: flex; justify-content: flex-start; }
.hero-text { max-width: 800px; }
.hero h1 { font-size: clamp(2.8rem, 5vw, 4.5rem); line-height: 1.1; margin-bottom: 30px; letter-spacing: -1.5px; }

/* Çizgi efekti kaldırıldı */
.text-glow { color: var(--primary); } 

.hero p { font-size: 1.25rem; margin-bottom: 40px; font-weight: 300; color: #475569; }

/* FUTURISTIC BUTTON */
.futuristic-btn {
    background-color: var(--primary); color: var(--bg-color); padding: 18px 45px; text-decoration: none;
    border-radius: 50px; font-weight: 500; font-size: 1.1rem; display: inline-flex; align-items: center;
    justify-content: center; border: 1px solid var(--primary); position: relative; overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1); cursor: pointer;
}
.futuristic-btn::before {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(215, 231, 210, 0.3), transparent); transition: left 0.6s ease;
}
.futuristic-btn:hover { background-color: var(--bg-color); color: var(--primary); border-color: var(--primary); transform: translateY(-3px); box-shadow: 0 15px 30px rgba(0, 17, 0, 0.1); }
.futuristic-btn:hover::before { left: 100%; }
.w-100 { width: 100%; }

/* ASYMMETRIC INTRO */
.intro { padding: 120px 0; }
.asymmetric-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; align-items: center; }
.empty-glass {
    height: 100%; padding: 40px; border-radius: 30px;
    background: linear-gradient(135deg, rgba(253,252,248,0.8), rgba(215,231,210,0.3));
    border: 1px solid var(--glass-border); display: flex; align-items: center; justify-content: center;
}
.section-title { font-size: 3.5rem; line-height: 1; color: var(--accent-dark); letter-spacing: -1px; }
.content-glass h3 { font-size: 2.3rem; margin-bottom: 25px; letter-spacing: -0.5px; }
.highlight-text { color: var(--accent-dark); }
.content-glass p { font-size: 1.1rem; margin-bottom: 20px; color: #475569; }

/* BENTO GRID SERVICES */
.services { padding: 80px 0 120px; }
.center-title { text-align: center; font-size: 3rem; margin-bottom: 10px; letter-spacing: -1px; }
.section-subtitle { text-align: center; color: #64748b; font-size: 1.1rem; margin-bottom: 50px; }
.bento-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.bento-card {
    background: rgba(255,255,255,0.7); backdrop-filter: blur(20px); padding: 50px; border-radius: 30px;
    border: 1px solid rgba(0,17,0,0.03); position: relative; overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.clickable-card { cursor: pointer; }
.clickable-card:hover { transform: translateY(-8px); box-shadow: 0 30px 60px rgba(0,17,0,0.08); border-color: var(--accent-dark); }
.card-glow {
    position: absolute; top: -50px; right: -50px; width: 150px; height: 150px;
    background: var(--accent-light); filter: blur(50px); opacity: 0; transition: opacity 0.5s ease;
}
.bento-card:hover .card-glow { opacity: 0.8; }
.service-tag { font-size: 0.8rem; font-weight: 700; color: var(--accent-dark); letter-spacing: 1px; display: block; margin-bottom: 20px; }
.bento-card h3 { font-size: 1.6rem; margin-bottom: 15px; position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: center; letter-spacing: -0.5px; }
.dynamic-arrow { font-size: 1.2rem; opacity: 0.3; transform: translateX(-10px); transition: all 0.3s ease; color: var(--accent-dark); }
.bento-card:hover .dynamic-arrow { opacity: 1; transform: translateX(0); }
.bento-card p { font-size: 1.05rem; color: #475569; position: relative; z-index: 2; }

/* IMMERSIVE BLOG OVERLAY */
.blog-overlay-container {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(253, 252, 248, 0.98);
    backdrop-filter: blur(25px); -webkit-backdrop-filter: blur(25px); z-index: 200;
    opacity: 0; pointer-events: none; transform: scale(1.03);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.blog-overlay-container.active { opacity: 1; pointer-events: auto; transform: scale(1); }
.overlay-scroll-content { width: 100%; height: 100%; overflow-y: auto; padding-top: 80px; }

.close-overlay-btn {
    position: absolute; top: 30px; right: 40px; background: var(--primary); color: var(--bg-color);
    border: none; padding: 12px 25px; border-radius: 30px; font-weight: 500; cursor: pointer;
    z-index: 210; display: inline-flex; align-items: center; gap: 10px; transition: all 0.3s ease;
}
.close-overlay-btn:hover { background: var(--accent-dark); transform: scale(1.05); }

.blog-article { display: none; }
.blog-article.active { display: block; animation: fadeInArticle 0.6s ease forwards; }

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

.article-tag { display: inline-block; background: var(--accent-light); color: var(--primary); font-weight: 700; font-size: 0.8rem; padding: 6px 16px; border-radius: 20px; margin-bottom: 25px; text-transform: uppercase; }
.blog-article h1 { font-size: clamp(2.2rem, 4vw, 3.5rem); line-height: 1.1; margin-bottom: 30px; letter-spacing: -1px; }
.lead-text { font-size: 1.35rem; font-weight: 300; color: var(--primary); line-height: 1.5; margin-bottom: 40px; border-left: 3px solid var(--accent-dark); padding-left: 20px; }
.blog-article h2 { font-size: 1.7rem; margin-top: 40px; margin-bottom: 20px; letter-spacing: -0.5px; }
.blog-article p { font-size: 1.15rem; color: #334155; margin-bottom: 25px; }

/* CONTACT SECTION */
.contact { padding: 60px 0 120px; }
.glass-panel {
    background: rgba(0, 17, 0, 0.95); border-radius: 40px; padding: 80px;
    display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
    box-shadow: 0 40px 100px rgba(0,17,0,0.2); position: relative; overflow: hidden;
}
.glass-panel::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0IiBoZWlnaHQ9IjQiPgo8cmVjdCB3aWR0aD0iNCIgaGVpZ2h0PSI0IiBmaWxsPSIjZmZmIiBmaWxsLW9wYWNpdHk9IjAuMDUiLz4KPC9zdmc+') repeat;
    pointer-events: none;
}
.contact-info h2 { color: var(--bg-color); font-size: 2.8rem; margin-bottom: 20px; letter-spacing: -1px; }
.contact-info p { color: var(--accent-light); font-size: 1.2rem; margin-bottom: 40px; }

.contact-list { list-style: none; display: flex; flex-direction: column; gap: 20px; }
.clickable-contact {
    text-decoration: none; color: #ffffff; font-size: 1.15rem; display: inline-flex; align-items: center; gap: 15px;
    transition: all 0.3s ease; width: fit-content;
}
.clickable-contact i {
    color: var(--accent-dark); font-size: 1.4rem; background: var(--accent-light);
    width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border-radius: 50%;
    transition: all 0.3s ease;
}
.clickable-contact:hover { color: var(--accent-light); transform: translateX(5px); }
.clickable-contact:hover i { background: #ffffff; color: var(--primary); box-shadow: 0 0 15px rgba(255,255,255,0.6); }

.modern-form { display: flex; flex-direction: column; gap: 25px; position: relative; z-index: 2; }
.input-group { position: relative; }
.input-group input, .input-group textarea {
    width: 100%; padding: 20px 20px 10px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px; color: #fff; font-size: 1rem; font-family: inherit; transition: all 0.3s ease; outline: none;
}
.input-group input:focus, .input-group textarea:focus { background: rgba(255,255,255,0.1); border-color: var(--accent-light); }
.input-group label { position: absolute; top: 18px; left: 20px; color: rgba(255,255,255,0.5); font-size: 1rem; transition: all 0.3s ease; pointer-events: none; }
.input-group input:focus ~ label, .input-group input:not(:placeholder-shown) ~ label,
.input-group textarea:focus ~ label, .input-group textarea:not(:placeholder-shown) ~ label { top: 6px; font-size: 0.75rem; color: var(--accent-light); }

footer { text-align: center; padding: 40px 0; border-top: 1px solid rgba(0,17,0,0.05); }
.footer-content p { color: #64748b; font-size: 0.9rem; }

/* RESPONSIVE DESIGN */
@media (max-width: 992px) {
    .asymmetric-grid { grid-template-columns: 1fr; }
    .bento-grid { grid-template-columns: 1fr; }
    .glass-panel { grid-template-columns: 1fr; padding: 50px 30px; gap: 50px; }
    .hero h1 { font-size: 2.8rem; }
    .glass-nav { padding: 15px 0; }
    .logo-img { width: 65px; height: 65px; padding: 10px; }
    .close-overlay-btn { top: 20px; right: 20px; padding: 10px 20px; }
}
@media (max-width: 768px) {
    .hero h1 { font-size: 2.3rem; }
    .hero { padding-top: 140px; }
}

.reveal { opacity: 0; transform: translateY(40px); transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.reveal.active { opacity: 1; transform: translateY(0); }