@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@300;400;500;600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200');

:root {
    --primary: #00d4ff;
    --primary-dim: rgba(0, 212, 255, 0.2);
    --bg-dark: #060a0f;
    --bg-darker: #020407;
    --bg-card: rgba(255, 255, 255, 0.03);
    --border-light: rgba(255, 255, 255, 0.08);
    --border-primary: rgba(0, 212, 255, 0.15);
    
    --text-main: #ffffff;
    --text-muted: #cbd5e1;
    --text-dark: #121212;

    --font-heading: 'Outfit', sans-serif;
    --font-heading-2: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    --transition-smooth: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --transition-slow: all 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-darker); }
::-webkit-scrollbar-thumb { background: #1e293b; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* Typography Constraints */
.lux-title { font-family: var(--font-heading); font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; }
h1, h2, h3, h4, h5 { font-family: var(--font-heading-2); font-weight: 600; }
a { text-decoration: none; color: inherit; transition: var(--transition-smooth); }
ul { list-style: none; }

/* Util Classes (Tailwind equivalents) */
.container { width: 100%; max-width: 1440px; margin: 0 auto; padding: 0 5%; }
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-12 { gap: 3rem; }
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.text-primary { color: var(--primary); }
.text-white { color: #fff; }
.text-xs { font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; font-weight: 600; }
.text-sm { font-size: 0.875rem; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Header & Glassmorphism */
.header-nav {
    position: fixed; top: 0; width: 100%; z-index: 1000;
    background: rgba(6, 10, 15, 0.7);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition-smooth);
}
.header-nav.scrolled { padding-top: 15px; padding-bottom: 15px; background: rgba(2, 4, 7, 0.9); }
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.navbar a { 
    font-size: 13px; font-weight: 600; letter-spacing: 0.1em; 
    text-transform: uppercase; position: relative; padding-bottom: 5px; 
    color: var(--text-muted);
}
.navbar a:hover { color: var(--primary); }
.navbar a::after {
    content: ''; position: absolute; left: 0; bottom: 0;
    width: 0; height: 2px; background: var(--primary);
    transition: var(--transition-smooth);
}
.navbar a:hover::after { width: 100%; }
.brand-logo h1 { font-family: var(--font-heading); font-size: 1.8rem; letter-spacing: 0.2em; color: var(--text-main); margin: 0; line-height: 1; }
.brand-logo span { display: block; font-size: 0.6rem; letter-spacing: 0.4em; color: var(--primary); font-weight: 800; margin-top: 4px; }

/* Hero Section */
.hero { position: relative; width: 100%; height: 90vh; min-height: 600px; display: flex; align-items: center; justify-content: center; overflow: hidden; background: #000; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.6; transform: scale(1.05); animation: slowZoom 20s linear infinite alternate; }
@keyframes slowZoom { from { transform: scale(1.05); } to { transform: scale(1.15); } }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,10,15,0.8) 0%, rgba(6,10,15,0.3) 50%, var(--bg-dark) 100%); }
.hero-content { position: relative; z-index: 10; text-align: center; padding: 0 5%; max-width: 1000px; }
.hero-subtitle { font-size: 11px; letter-spacing: 0.6em; text-transform: uppercase; font-weight: 700; color: var(--primary); margin-bottom: 20px; display: block; animation: fadeInUp 1s ease both; }
.hero-title { font-size: clamp(3rem, 6vw, 6rem); line-height: 1.1; margin-bottom: 30px; animation: fadeInUp 1s ease 0.2s both; text-shadow: 0 10px 40px rgba(0,0,0,0.8); }
.hero-desc { font-size: clamp(1rem, 2vw, 1.25rem); color: var(--text-muted); font-weight: 300; letter-spacing: 0.05em; max-width: 700px; margin: 0 auto 50px; animation: fadeInUp 1s ease 0.4s both; }

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

/* Premium Buttons */
.btn-primary {
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--primary); color: #000;
    font-family: var(--font-heading-2); font-size: 11px; font-weight: 800;
    letter-spacing: 0.4em; text-transform: uppercase;
    padding: 20px 45px; border: none; cursor: pointer;
    overflow: hidden; position: relative; z-index: 1;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}
.btn-primary::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: #fff; z-index: -1; transform: translateX(-100%); transition: var(--transition-smooth);
}
.btn-primary:hover { color: #000; box-shadow: 0 15px 40px rgba(0, 212, 255, 0.4); transform: translateY(-3px); }
.btn-primary:hover::before { transform: translateX(0); }

.btn-outline {
    display: inline-flex; align-items: center; justify-content: center;
    background: transparent; color: var(--text-main);
    border: 1px solid var(--border-light);
    font-family: var(--font-heading-2); font-size: 11px; font-weight: 800;
    letter-spacing: 0.3em; text-transform: uppercase;
    padding: 20px 45px; cursor: pointer;
    transition: var(--transition-smooth);
}
.btn-outline:hover { background: var(--text-main); color: var(--bg-dark); border-color: var(--text-main); }

/* Features Section */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); border: 1px solid var(--border-light); background: var(--bg-card); border-radius: 24px; box-shadow: 0 20px 40px rgba(0,0,0,0.5); overflow: hidden; }
.feature-box { padding: 50px 30px; text-align: center; border-right: 1px solid var(--border-light); transition: var(--transition-smooth); }
.feature-box:last-child { border-right: none; }
.feature-box:hover { background: rgba(0, 212, 255, 0.05); transform: translateY(-5px); box-shadow: 0 0 30px var(--primary-dim); }
.feature-box .material-symbols-outlined { font-size: 40px; color: var(--primary); margin-bottom: 20px; transition: var(--transition-smooth); }
.feature-box:hover .material-symbols-outlined { transform: scale(1.2); }
.feature-title { font-size: 11px; font-weight: 800; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 10px; }
.feature-desc { font-size: 13px; color: var(--text-muted); opacity: 0.7; }

/* Product/Highlights Grid */
.section-padding { padding: 120px 0; }
.section-header { text-align: center; margin-bottom: 80px; }
.section-tag { font-size: 10px; font-weight: 800; letter-spacing: 0.5em; color: var(--primary); text-transform: uppercase; display: block; margin-bottom: 15px; }
.section-title { font-size: clamp(2.5rem, 4vw, 4rem); font-weight: 300; line-height: 1.2; text-transform: uppercase; margin-bottom: 20px; }
.line-separator { width: 60px; height: 1px; background: var(--primary); margin: 0 auto; }

.highlight-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.highlight-item { position: relative; height: 600px; overflow: hidden; background: #000; border: 1px solid var(--border-light); }
.highlight-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.7; transition: var(--transition-slow); }
.highlight-item:hover .highlight-img { transform: scale(1.1); opacity: 0.4; }
.highlight-overlay { background: linear-gradient(0deg, var(--bg-dark) 0%, transparent 100%); position: absolute; inset: 0; z-index: 1; opacity: 0.9; }
.highlight-content { position: absolute; z-index: 2; bottom: 0; left: 0; width: 100%; padding: 60px; display: flex; flex-direction: column; justify-content: flex-end; align-items: flex-start; }
.highlight-content h3 { font-size: 3rem; font-weight: 300; line-height: 1; margin-bottom: 20px; letter-spacing: 0.1em; text-transform: uppercase; }

/* Product Cards */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 30px; }
.product-card { background: var(--bg-card); border: 1px solid var(--border-light); transition: var(--transition-smooth); position: relative; display: flex; flex-direction: column; }
.product-card:hover { border-color: var(--border-primary); transform: translateY(-10px); box-shadow: 0 20px 50px rgba(0,0,0,0.5); }
.product-img-wrap { position: relative; aspect-ratio: 16/10; overflow: hidden; background: #fff; padding: 10px; width: 90%; margin: 15px auto 0; border-radius: 8px; }
.product-img-wrap img { width: 100%; height: 100%; object-fit: contain; transition: var(--transition-slow); }
.product-card:hover .product-img-wrap img { transform: scale(1.1); }
.product-info { padding: 30px; text-align: center; flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: space-between; gap: 15px; }
.product-cat { font-size: 9px; font-weight: 800; letter-spacing: 0.3em; text-transform: uppercase; color: var(--primary); }
.product-name { font-size: 1.5rem; font-weight: 300; font-family: var(--font-heading); letter-spacing: 0.05em; color: var(--text-main); }
.product-card:hover .product-name { color: var(--primary); }
.product-action { width: 100%; padding: 15px 0; border-top: 1px solid var(--border-light); font-size: 10px; font-weight: 800; letter-spacing: 0.3em; text-transform: uppercase; color: var(--text-muted); transition: var(--transition-smooth); text-align: center; }
.product-card:hover .product-action { background: var(--primary); color: #000; border-color: var(--primary); }

/* Footer */
.footer { background: var(--bg-darker); border-top: 1px solid var(--border-light); padding-top: 100px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 60px; margin-bottom: 80px; }
.footer-logo { font-family: var(--font-heading); font-size: 2rem; letter-spacing: 0.2em; color: var(--text-main); margin-bottom: 20px; display: inline-block; }
.footer-desc { color: var(--text-muted); font-size: 14px; opacity: 0.7; max-width: 400px; margin-bottom: 30px; }
.footer-title { font-size: 13px; font-weight: 800; letter-spacing: 0.2rem; text-transform: uppercase; color: var(--text-main); margin-bottom: 30px; }
.footer-links { padding: 0; margin: 0; }
.footer-links li { margin-bottom: 15px; }
.footer-links a { position: relative; color: var(--text-muted); font-size: 14px; transition: var(--transition-smooth); opacity: 0.7; display: inline-block; }
.footer-links a::before { content: '→'; position: absolute; top: 0; left: -20px; color: var(--primary); opacity: 0; transform: translateX(-10px); transition: var(--transition-smooth); }
.footer-links a:hover { color: var(--text-main); opacity: 1; transform: translateX(20px); }
.footer-links a:hover::before { opacity: 1; transform: translateX(0); }
.contact-item { display: flex; align-items: flex-start; gap: 15px; margin-bottom: 20px; color: var(--text-muted); opacity: 0.8; font-size: 14px; }
.contact-item span { color: var(--primary); font-size: 20px; }
.footer-bottom { border-top: 1px solid var(--border-light); padding: 30px 0; display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--text-muted); opacity: 0.5; }

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed; inset: 0; background: rgba(2, 4, 7, 0.98); z-index: 2000;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    transform: translateX(100%); transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.mobile-menu-overlay.open { transform: translateX(0); }
.mobile-nav-links { display: flex; flex-direction: column; gap: 30px; text-align: center; }
.mobile-nav-links a { font-family: var(--font-heading); font-size: 24px; letter-spacing: 0.1em; text-transform: uppercase; color: #fff; }
.mobile-nav-links a:hover { color: var(--primary); }

.hamburger-btn { display: none; }

.floating-social.active .fab-menu { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }


/* Responsive tweaks */
@media (max-width: 1024px) {
    .highlight-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .hamburger-btn { display: block; }
    .header-inner .btn-outline { display: none; } /* Üst menüde yerden tasarruf */
    .brand-logo img { max-height: 120px !important; top: -55px !important; } /* Telefonda logoyu hafif küçült ki taşmasın */
    
    .hero-title { font-size: 2.5rem; }
    .features-grid { grid-template-columns: 1fr; border-left: none; border-right: none; }
    .feature-box { border-right: none; border-bottom: 1px solid var(--border-light); }
    .navbar { display: none; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-bottom { flex-direction: column; gap: 15px; text-align: center; }
}