/* =========================================
   Helvacı Abdullah - Premium Design System (Optimized)
   ========================================= */

:root {
   /* Color Palette */
   --color-primary: #e8b021;
   --color-primary-dark: #cc991a;
   --color-secondary: #1a1a1a;
   --color-secondary-light: #2d2d2d;
   --color-accent: #f8cf74;
   --color-bg-light: #FBF9F6;
   --color-bg-white: #FFFFFF;
   --color-text-main: #2b2b2b;
   --color-text-light: #666;
   --color-success: #25D366;
   
   /* Typography */
   --font-heading: 'Playfair Display', serif;
   --font-body: 'Inter', sans-serif;
   
   /* Shadows & Transitions */
   --shadow-sm: 0 4px 6px rgba(0,0,0,0.05);
   --shadow-md: 0 10px 20px rgba(0,0,0,0.08);
   --shadow-lg: 0 20px 40px rgba(44, 38, 33, 0.15);
   --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Base Styles & Optimization */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
   font-family: var(--font-body);
   background-color: var(--color-bg-light);
   color: var(--color-text-main);
   line-height: 1.6;
   overflow-x: hidden;
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--color-secondary); font-weight: 600; line-height: 1.2; }
a { text-decoration: none; color: inherit; transition: var(--transition-smooth); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; width: 100%; }
.section { padding: 6rem 0; }
.bg-light { background-color: var(--color-bg-white); }
.text-center { text-align: center; }
.relative { position: relative; }
.z-10 { z-index: 10; }
.mt-4 { margin-top: 2rem; }

/* Utilities */
.section-tag { display: inline-block; font-family: var(--font-body); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 3px; color: var(--color-primary); margin-bottom: 1rem; font-weight: 600; }
.section-title { font-size: 2.8rem; margin-bottom: 1.5rem; color: var(--color-secondary); }
.section-subtitle { font-size: 1.1rem; color: var(--color-text-light); max-width: 600px; margin: 0 auto 3rem; }
.section-desc { font-size: 1.1rem; color: var(--color-text-light); margin-bottom: 1.5rem; }

/* Buttons */
.btn {
   display: inline-flex; align-items: center; justify-content: center; gap: 8px;
   padding: 12px 28px; font-family: var(--font-body); font-size: 1rem; font-weight: 600;
   border-radius: 6px; cursor: pointer; transition: var(--transition-smooth);
   letter-spacing: 0.5px; border: none; outline: none; text-align: center;
}
.btn-sm { padding: 8px 16px; font-size: 0.9rem; }
.btn-large { padding: 16px 36px; font-size: 1.1rem; }

.btn-primary { background-color: var(--color-primary); color: #fff; border: 1px solid var(--color-primary); box-shadow: 0 4px 15px rgba(198, 156, 109, 0.4); }
.btn-primary:hover, .btn-primary:focus { background-color: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 10px 20px rgba(198, 156, 109, 0.5); color: #fff; }
.btn-secondary { background-color: rgba(255, 255, 255, 0.1); color: #fff; border: 1px solid rgba(255, 255, 255, 0.3); backdrop-filter: blur(5px); }
.btn-secondary:hover { background-color: #fff; color: var(--color-secondary); }
.btn-outline { background-color: transparent; color: var(--color-secondary); border: 2px solid var(--color-secondary); }
.btn-outline:hover { background-color: var(--color-secondary); color: #fff; }

.pulse-btn { background-color: var(--color-success); border-color: var(--color-success); box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4); animation: pulse 2s infinite; }
.pulse-btn:hover { background-color: #128C7E; border-color: #128C7E; animation: none; transform: translateY(-2px); }

/* Animation Keyframes */
@keyframes pulse {
   0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
   70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
   100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Navbar */
.navbar { position: fixed; top: 0; left: 0; width: 100%; padding: 20px 0; z-index: 1000; transition: var(--transition-smooth); background: transparent; }
.navbar.scrolled { background-color: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); padding: 12px 0; box-shadow: var(--shadow-sm); }
.navbar.scrolled .logo-text, .navbar.scrolled .nav-links a { color: var(--color-secondary); }
.navbar.scrolled .logo-year { color: var(--color-primary); }

.nav-content { position: relative; display: flex; justify-content: space-between; align-items: center; width: 100%; height: 80px; }
.logo { position: absolute; left: 50%; transform: translateX(-50%); display: flex; align-items: center; justify-content: center; z-index: 1002; top: -15px; }
.nav-logo-img { height: 140px; width: auto; transition: var(--transition-smooth); filter: drop-shadow(0 4px 15px rgba(0,0,0,0.6)); }
.navbar.scrolled .nav-logo-img { height: 90px; }
.navbar.scrolled .logo { top: -5px; }

.nav-links { display: flex; width: 100%; justify-content: space-between; align-items: center; }
.nav-links-left { display: flex; gap: 2.5rem; justify-content: flex-end; flex: 1; padding-right: 100px; }
.nav-links-right { display: flex; gap: 2.5rem; justify-content: flex-start; flex: 1; padding-left: 100px; }
.nav-links a { font-size: 0.95rem; font-weight: 600; color: #fff; position: relative; letter-spacing: 0.5px; }
.nav-links a::after { content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px; background-color: var(--color-primary); transition: width 0.3s ease; }
.nav-links a:hover::after { width: 100%; }

/* Dropdown Menu Styles */
.nav-dropdown { position: relative; padding-bottom: 20px; margin-bottom: -20px; }
.dropdown-menu { position: absolute; top: calc(100% + 15px); left: 50%; transform: translateX(-50%) translateY(10px); background: #ffffff; min-width: 260px; border-radius: 8px; padding: 10px 0; box-shadow: 0 15px 40px rgba(0,0,0,0.15); opacity: 0; visibility: hidden; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); display: flex; flex-direction: column; z-index: 1050; border-top: 3px solid var(--color-primary); }
.nav-dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown-menu a { color: #000 !important; padding: 12px 25px; font-weight: 500; font-size: 0.95rem; text-align: center; display: block; letter-spacing: 0px; }
.dropdown-menu a::after { display: none !important; }
.dropdown-menu a:hover { background-color: #f9f9f9; color: var(--color-primary) !important; padding-left: 30px; }

/* Franchise Avantajlar Styles */
.avantajlar-section { padding: 6rem 0; background-color: #fcfcfc; position: relative; }
.avantajlar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; margin-top: 3rem; }
.avantaj-card { background: #fff; padding: 2.5rem 2rem; border-radius: 15px; text-align: center; box-shadow: 0 10px 30px rgba(0,0,0,0.04); transition: var(--transition-smooth); border: 1px solid rgba(0,0,0,0.03); position: relative; overflow: hidden; z-index: 1; }
.avantaj-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--color-primary); transform: scaleX(0); transition: var(--transition-smooth); transform-origin: left; z-index: -1; }
.avantaj-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.1); border-color: rgba(189, 31, 45, 0.1); }
.avantaj-card:hover::before { transform: scaleX(1); }
.avantaj-icon { width: 70px; height: 70px; margin: 0 auto 1.5rem auto; background: rgba(189, 31, 45, 0.05); color: var(--color-primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s, color 0.3s; }
.avantaj-card:hover .avantaj-icon { background: var(--color-primary); color: #fff; transform: rotateY(360deg); }
.avantaj-card h3 { font-size: 1.3rem; margin-bottom: 1rem; color: #000; font-family: var(--font-heading); }
.avantaj-card p { color: #666; font-size: 0.95rem; line-height: 1.6; }
@media (max-width: 992px) { .avantajlar-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .avantajlar-grid { grid-template-columns: 1fr; } }

/* Timeline Process Styles */
.timeline-section { padding: 6rem 0; background-color: #fff; position: relative; }
.timeline-header { text-align: center; margin-bottom: 4rem; }
.timeline-header h2 { font-size: clamp(2rem, 4vw, 3rem); font-family: var(--font-heading); color: #000; margin-bottom: 1rem; }
.timeline-header p { color: #555; font-size: 1.1rem; max-width: 600px; margin: 0 auto; }
.timeline-container { max-width: 900px; margin: 0 auto; position: relative; padding: 2rem 0; }
.timeline-container::before { content: ''; position: absolute; left: 50%; transform: translateX(-50%); top: 0; bottom: 0; width: 4px; background-color: rgba(189, 31, 45, 0.1); border-radius: 4px; }
.timeline-item { width: 50%; padding: 20px 45px; position: relative; }
.timeline-item:nth-child(odd) { left: 0; text-align: right; }
.timeline-item:nth-child(even) { left: 50%; text-align: left; }
.timeline-dot { position: absolute; top: 35px; width: 24px; height: 24px; background-color: #fff; border-radius: 50%; border: 5px solid var(--color-primary); box-shadow: 0 0 0 6px rgba(189, 31, 45, 0.1); z-index: 2; transition: var(--transition-smooth); }
.timeline-item:hover .timeline-dot { transform: scale(1.3); background-color: var(--color-primary); box-shadow: 0 0 15px rgba(189, 31, 45, 0.4); }
.timeline-item:nth-child(odd) .timeline-dot { right: -12px; }
.timeline-item:nth-child(even) .timeline-dot { left: -12px; }
.timeline-content { background: #fff; padding: 30px; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); transition: var(--transition-smooth); position: relative; border: 1px solid rgba(0,0,0,0.05); }
.timeline-content:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.1); border-color: rgba(189, 31, 45, 0.2); }
.timeline-content h3 { color: var(--color-primary); font-size: 1.4rem; margin-bottom: 12px; font-weight: 600; display: flex; align-items: center; gap: 10px; justify-content: flex-end; }
.timeline-item:nth-child(even) .timeline-content h3 { justify-content: flex-start; }
.timeline-content p { color: #666; line-height: 1.6; margin: 0; font-size: 0.95rem; }
.timeline-number { position: absolute; top: -15px; font-size: 4rem; font-family: var(--font-heading); color: rgba(189, 31, 45, 0.04); font-weight: bold; line-height: 1; pointer-events: none; z-index: 0; }
.timeline-item:nth-child(odd) .timeline-number { left: 20px; }
.timeline-item:nth-child(even) .timeline-number { right: 20px; }

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none; background: none; border: none; cursor: pointer;
    width: 30px; height: 20px; position: relative; z-index: 1002;
}
.mobile-menu-btn span {
    display: block; width: 100%; height: 2px; background-color: #fff; position: absolute;
    left: 0; transition: var(--transition-smooth);
}
.mobile-menu-btn span:nth-child(1) { top: 0; }
.mobile-menu-btn span:nth-child(2) { top: 9px; }
.mobile-menu-btn span:nth-child(3) { top: 18px; }
.navbar.scrolled .mobile-menu-btn span { background-color: var(--color-secondary); }

/* Hero Slider - Split Screen Premium */
.hero-slider.premium-split { height: 100vh; min-height: 700px; position: relative; overflow: hidden; background: var(--color-secondary); }
.premium-split .slider-container { width: 100%; height: 100%; position: relative; }
.premium-split .slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; display: flex; opacity: 0; visibility: hidden; transition: opacity 0.8s ease, visibility 0.8s ease, transform 1s cubic-bezier(0.2, 0.8, 0.2, 1); transform: scale(1.02); }
.premium-split .slide.active { opacity: 1; visibility: visible; z-index: 1; transform: scale(1); }

.premium-split .split-left { flex: 1; display: flex; align-items: center; justify-content: center; position: relative; z-index: 2; padding: 0 5%; transition: background-color 0.8s ease; }
.premium-split .split-right { flex: 1; display: flex; align-items: center; justify-content: center; position: relative; z-index: 1; overflow: hidden; box-shadow: -10px 0 30px rgba(0,0,0,0.3); }

/* Left Content Styles */
.split-content-left { max-width: 550px; width: 100%; text-align: left; opacity: 0; transform: translateY(40px); transition: all 1s cubic-bezier(0.2, 0.8, 0.2, 1); transition-delay: 0.3s; }
.premium-split .slide.active .split-content-left { opacity: 1; transform: translateY(0); }

.premium-tag { display: inline-block; font-family: var(--font-body); font-size: 0.85rem; letter-spacing: 4px; text-transform: uppercase; color: var(--color-primary); margin-bottom: 20px; font-weight: 600; border-bottom: 2px solid var(--color-primary); padding-bottom: 8px; }
.split-title { font-family: var(--font-heading); font-size: clamp(3rem, 5.5vw, 5rem); color: #fff; line-height: 1.1; margin-bottom: 25px; font-weight: 600; }
.split-desc { font-family: var(--font-body); font-size: 1.15rem; color: rgba(255, 255, 255, 0.85); line-height: 1.8; max-width: 450px; }

/* Right Content Styles */
.split-product { height: 75vh; max-height: 750px; width: auto; max-width: 100%; object-fit: contain; filter: drop-shadow(-20px 30px 40px rgba(0,0,0,0.6)); opacity: 0; transform: scale(0.9) translateX(30px); transition: all 1.2s cubic-bezier(0.2, 0.8, 0.2, 1); transition-delay: 0.2s; }
.premium-split .slide.active .split-product { opacity: 1; transform: scale(1) translateX(0); }

/* Floating effect applied continuously */
@keyframes floatProduct { 0% { transform: translateY(0); } 50% { transform: translateY(-20px); } 100% { transform: translateY(0); } }
.premium-split .floating { animation: floatProduct 6s ease-in-out infinite; }
.premium-split .slide.active .floating { animation: floatProduct 6s ease-in-out infinite; animation-delay: 1.2s; }

/* Controls */
.split-controls { position: absolute; bottom: 40px; left: 25%; transform: translateX(-50%); z-index: 10; }
.slider-dots { display: flex; gap: 12px; }
.dot { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,0.4); border: none; cursor: pointer; transition: all 0.3s; }
.dot.active { background: var(--color-primary); transform: scale(1.4); }

.split-nav-btn { position: absolute; top: 50%; transform: translateY(-50%); background: transparent; border: 1px solid rgba(255,255,255,0.3); color: #fff; width: 50px; height: 50px; border-radius: 50%; z-index: 10; cursor: pointer; transition: all 0.3s; display: flex; align-items: center; justify-content: center; backdrop-filter: blur(5px); font-size: 1.2rem; }
.split-nav-btn:hover { background: var(--color-primary); border-color: var(--color-primary); }
.split-nav-btn.prev-btn { left: 40px; }
.split-nav-btn.next-btn { right: 40px; }

/* Trust Bar */
.hero-trust-bar { position: absolute; bottom: 0; left: 0; width: 100%; background: rgba(0,0,0,0.6); backdrop-filter: blur(10px); padding: 15px 0; z-index: 5; border-top: 1px solid rgba(255,255,255,0.1); }
.hero-trust { display: flex; justify-content: center; gap: clamp(1rem, 5vw, 4rem); color: rgba(255,255,255,0.9); font-weight: 500; flex-wrap: wrap; font-size: 0.95rem; }
.hero-trust span { display: flex; align-items: center; gap: 8px; }
.hero-trust i { color: var(--color-primary); font-size: 1.1rem; }

/* Twin History Section */
.twin-history { display: flex; width: 100vw; min-height: 480px; margin-left: calc(-50vw + 50%); margin-right: calc(-50vw + 50%); position: relative; }
.history-block { flex: 1; padding: 6rem 10%; display: flex; flex-direction: column; justify-content: center; }
.light-block { background-color: #f9e0b5; color: #000000; }
.dark-block { background-color: #000000; color: #f9e0b5; }
.history-title { font-size: clamp(2rem, 3.5vw, 2.5rem); margin-bottom: 1.5rem; color: inherit; font-family: var(--font-heading); }
.history-text { font-size: 1.05rem; line-height: 1.8; margin-bottom: 2rem; color: inherit; font-weight: 500; }
.history-btn { align-self: flex-start; border-color: currentColor; color: inherit; border-width: 2px; border-radius: 4px; padding: 10px 24px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }
.history-btn:hover { background-color: #bd1f2d; border-color: #bd1f2d; color: #fff; }
.light-btn { border-color: #f9e0b5; color: #f9e0b5; }

/* Product Category Boxes */
.product-categories { padding: 5rem 0; background-color: #fff; }
.category-main-title { text-align: center; font-size: clamp(2.5rem, 4vw, 3.5rem); color: #000000; margin-bottom: 3rem; }
.category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 40px; width: 100%; max-width: 1200px; margin: 0 auto; }
.category-box { position: relative; overflow: visible; display: flex; flex-direction: column; align-items: center; text-align: center; cursor: pointer; transition: transform 0.3s ease; }
.category-box:hover { transform: translateY(-10px); }
.category-box img { width: 100%; height: 320px; object-fit: contain; padding: 25px; background: radial-gradient(circle, #fcf4e6 0%, #d89f5c 100%); border-radius: 16px; transition: transform 0.6s ease; filter: drop-shadow(0 10px 20px rgba(0,0,0,0.08)); margin-bottom: 20px; }
.category-box:hover img { transform: scale(1.1); }
.category-overlay { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; transition: all 0.4s ease;  }
.category-overlay h3 { font-size: 1.6rem; margin-bottom: 15px; color: var(--color-secondary); transition: color 0.4s; font-family: var(--font-heading); }
.category-box:hover .category-overlay h3 { color: var(--color-primary); }
.category-overlay p { opacity: 1; transform: translateY(0); font-size: 1rem; line-height: 1.6; color: #666; font-weight: 400; max-width: 250px; }
.category-link { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 5; }

/* Milestones */
.milestones { position: relative; padding: 8rem 0; background-attachment: fixed; background-size: cover; background-position: center; display: flex; align-items: center; justify-content: center; }
.milestones-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center; background-attachment: fixed; z-index: 1; }
.milestones-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(189, 31, 45, 0.85); z-index: 2; }
.milestones .container { position: relative; z-index: 3; }
.milestones-grid { display: grid; grid-template-columns: repeat(3, 1fr); text-align: center; gap: 2rem; }
.milestone-item { color: #fff; }
.milestone-number { font-size: clamp(3rem, 6vw, 5rem); font-family: var(--font-heading); font-weight: 700; display: flex; align-items: center; justify-content: center; line-height: 1; margin-bottom: 0px; }
.milestone-number span { font-size: clamp(2.5rem, 5vw, 4rem); margin: 0 5px; font-weight: 300; }
.milestone-text { font-size: 1.5rem; font-weight: 400; font-family: var(--font-body); letter-spacing: 1px; }

/* Franchise Section */
.franchise { padding: 6rem 0; background-color: var(--color-bg-light); }
.franchise-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.franchise-content { padding-right: 2rem; }
.franchise-title { font-size: clamp(2rem, 3.5vw, 2.8rem); margin-bottom: 2rem; color: #000000; }
.franchise-text { font-size: 1.1rem; line-height: 1.8; margin-bottom: 2.5rem; color: var(--color-text-main); }
.franchise-btn { border-color: #bd1f2d; color: #bd1f2d; }
.franchise-btn:hover { background-color: #000000; border-color: #000000; color: #fff; }

.franchise-features { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.f-feature-box { padding: 30px 25px; border-radius: 4px; display: flex; flex-direction: column; transition: transform 0.3s ease; }
.f-feature-box:hover { transform: translateY(-5px); }
.f-feature-box i { font-size: 2.5rem; margin-bottom: 1.5rem; }
.f-feature-box h4 { font-size: 1.25rem; font-family: var(--font-body); margin-bottom: 1rem; font-weight: 700; color: inherit; }
.f-feature-box p { font-size: 0.95rem; opacity: 0.9; line-height: 1.6; }

.gold-box { background-color: rgba(247, 221, 179, 0.6); color: #000000; }
.gold-box:hover { background-color: #f7ddb3; }
.gold-box i { color: #bd1f2d; }

.red-box { background-color: #bd1f2d; color: #ffffff; }
.red-box i { color: #f7ddb3; }

.black-box { background-color: #000000; color: #ffffff; }
.black-box i { color: #f7ddb3; }

/* Footer */
.footer { background-color: var(--color-secondary-light); color: #fff; padding-top: 5rem; }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 4rem; margin-bottom: 4rem; }
.footer-logo .logo-text { font-size: 2rem; margin-bottom: 1rem; display: inline-block; }
.footer-desc { color: rgba(255,255,255,0.7); margin-bottom: 1.5rem; max-width: 350px; }
.social-links { display: flex; gap: 1rem; }
.social-links a { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background-color: rgba(255,255,255,0.1); color: #fff; }
.social-links a:hover { background-color: var(--color-primary); transform: translateY(-3px); }
.footer-heading { font-size: 1.2rem; margin-bottom: 1.5rem; color: #fff; }
.footer-links ul, .footer-contact ul { display: flex; flex-direction: column; gap: 1rem; }
.footer-links a, .footer-contact li { color: rgba(255,255,255,0.7); }
.footer-links a:hover { color: var(--color-primary); padding-left: 5px; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact i { color: var(--color-primary); margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 1.5rem 0; text-align: center; color: rgba(255,255,255,0.5); font-size: 0.9rem; }

/* WhatsApp Float */
.whatsapp-float {
   position: fixed; bottom: 30px; right: 30px; background-color: #25d366; color: #FFF;
   border-radius: 50px; box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4); z-index: 100;
   display: flex; align-items: center; justify-content: center; padding: 12px 20px; gap: 10px;
}
.whatsapp-float i { font-size: 28px; }
.whatsapp-float-text { font-weight: 600; font-size: 1rem; }
.whatsapp-float:hover { background-color: #128C7E; transform: translateY(-5px); color: #fff; }

/* Reveal Animations */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; will-change: opacity, transform; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* =========================================
   Responsive Design & Mobile Ready
   ========================================= */
@media (max-width: 992px) {
   .twin-history { flex-direction: column; margin-left: 0; margin-right: 0; width: 100%; }
   .history-block { padding: 4rem 5%; }
   
   /* Tablet Hero Typography Adjustments */
   .premium-split .split-left { padding: 0 4%; }
   .split-title { font-size: clamp(2rem, 5vw, 2.5rem); margin-bottom: 20px; word-break: break-word; line-height: 1.2; }
   .split-desc { font-size: 1rem; line-height: 1.5; max-width: 100%; padding-right: 15px; }
   .premium-split .split-right { display: flex; align-items: center; justify-content: center; }
   .premium-split .split-product { max-height: 45vh; max-width: 95%; margin: 0 auto; display: block; object-fit: contain; }

   .milestones-grid { grid-template-columns: 1fr; gap: 3rem; }
   .franchise-grid { grid-template-columns: 1fr; gap: 4rem; text-align: center; }
   .franchise-content { padding-right: 0; }
   .franchise-btn { align-self: center; display: inline-flex; }
   .footer-content { grid-template-columns: 1fr 1fr; gap: 3rem; }
   
   /* Mobile & Tablet Navigation Logic */
   .nav-content { display: flex; justify-content: flex-start; align-items: center; padding: 0 15px; height: 75px; }
   .mobile-menu-btn { display: block; position: absolute; right: 20px; top: 28px; left: auto; margin: 0; z-index: 1003; }
   .logo { position: absolute; left: 50%; transform: translateX(-50%); top: -5px; flex: 1; display: block; z-index: 1002; margin: 0; }
   .nav-logo-img { height: 95px; object-fit: contain; filter: drop-shadow(0 4px 10px rgba(0,0,0,0.5)); }
   .navbar.scrolled .nav-logo-img { height: 70px; }
   .nav-actions { display: none; }
   .nav-links {
       position: fixed; top: 0; right: -100%; width: 80%; height: 100vh;
       background-color: var(--color-secondary); flex-direction: column;
       justify-content: flex-start; align-items: center; transition: right 0.4s ease;
       z-index: 1001; box-shadow: -5px 0 15px rgba(0,0,0,0.1);
       display: flex; overflow-y: auto; overflow-x: hidden; padding: 100px 0 50px 0;
   }
   .nav-links.active { right: 0; }
   .nav-links-left, .nav-links-right { display: flex; flex-direction: column; padding: 0; align-items: center; width: 100%; gap: 0; opacity: 0; transform: translateY(-15px); transition: all 0.4s ease; }
   .nav-links.active .nav-links-left { opacity: 1; transform: translateY(0); transition-delay: 0.2s; }
   .nav-links.active .nav-links-right { opacity: 1; transform: translateY(0); transition-delay: 0.3s; }
   .nav-links a { color: #fff; font-size: 1.3rem; margin: 12px 0; }
   .navbar.scrolled .nav-links a { color: #fff; }
   
   /* Mobile Accordion Dropdown */
   .nav-dropdown { padding-bottom: 0; margin-bottom: 0; width: 100%; text-align: center; }
   .nav-dropdown a i { display: inline-block; transition: transform 0.3s ease; }
   .nav-dropdown.active a i { transform: rotate(180deg); }
   .dropdown-menu { 
       position: relative; top: 0; left: 0; transform: none !important; box-shadow: none; 
       background: rgba(255,255,255,0.05); border: none; padding: 0; min-width: 100%; 
       opacity: 0; visibility: hidden; display: flex; flex-direction: column; gap: 8px;
       border-radius: 8px; max-height: 0; overflow: hidden; transition: all 0.4s ease-in-out;
       margin-top: 0;
   }
   /* Neutralize sticky desktop hovers on mobile */
   .nav-dropdown:hover .dropdown-menu {
       opacity: 0; visibility: hidden; max-height: 0; padding: 0; margin-top: 0; transform: none !important;
   }
   .nav-dropdown.active .dropdown-menu {
       opacity: 1 !important; visibility: visible !important; max-height: 300px !important; padding: 10px 0 !important; margin-top: 5px !important; transform: none !important;
   }
   .dropdown-menu a { color: rgba(255,255,255,0.8) !important; font-size: 1.05rem; padding: 8px; margin: 0; text-align: center; background: transparent !important; }
   .dropdown-menu a:hover { color: var(--color-primary) !important; background: transparent !important; box-shadow: none; padding-left: 8px; padding-right: 8px; transform: none; }

   .mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg); top: 9px; background-color: #fff; }
   .mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
   .mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg); top: 9px; background-color: #fff; }
}

@media (max-width: 768px) {
   .section { padding: 4rem 0; }
   .section-title { font-size: 2.2rem; }
   
   /* Mobile Premium Split Slider */
   .hero-slider.premium-split { height: auto; min-height: 100vh; }
   .premium-split .slider-container { min-height: 100vh; }
   .premium-split .slide { flex-direction: column; justify-content: flex-start; }
   .premium-split .split-right { order: -1; box-shadow: 0 10px 30px rgba(0,0,0,0.3); flex: 1; min-height: 55vh; width: 100%; border-radius: 0 0 40px 40px; padding: 90px 10px 20px; display: flex; align-items: center; justify-content: center; flex-direction: column; }
   .premium-split .split-left { flex: 1; min-height: 45vh; width: 100%; padding: 30px 15px 60px; display: flex; flex-direction: column; justify-content: center; align-items: center; }
   .split-content-left { margin: 0 auto; text-align: center; transform: translateY(0) !important; width: 100%; max-width: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; }
   .split-title { font-size: clamp(2.3rem, 10vw, 3.2rem); margin: 0 auto 15px; line-height: 1.1; display: block; text-align: center; width: 100%; justify-content: center; }
   .split-desc { font-size: 1.05rem; line-height: 1.5; margin: 0 auto 15px; text-align: center; width: 100%; max-width: 400px; display: block; }
   .premium-tag { margin: 0 auto 15px; font-size: 0.85rem; padding-bottom: 6px; display: inline-block; text-align: center; }
   .split-product { height: 42vh; max-height: 450px; width: 100%; max-width: 380px; object-fit: contain; padding: 0; filter: drop-shadow(-10px 15px 20px rgba(0,0,0,0.5)); transform: scale(1) translateX(0) !important; animation: floatProduct 5s ease-in-out infinite; margin: 0 auto; display: block; }
   .premium-split .slide.active .split-product { transform: scale(1) translateX(0) !important; animation: floatProduct 5s ease-in-out infinite; animation-delay: 0.2s; }
   .split-controls { left: 50%; bottom: 20px; transform: translateX(-50%); display: flex; justify-content: center; width: 100%; }
   
   /* Removed old mobile slider layout rules */
   
   /* Mobile Category Setup (Horizontal Snap Carousel) */
   .category-grid { 
       display: flex; flex-direction: row; gap: 15px; padding: 0 15px; padding-bottom: 25px;
       overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth;
       -ms-overflow-style: none; scrollbar-width: none; flex-wrap: nowrap;
   }
   .category-grid::-webkit-scrollbar { display: none; }
   .category-box { flex: 0 0 92%; max-width: 400px; height: auto; border-radius: 16px; scroll-snap-align: center; overflow: visible; margin: 0 auto; }
   .category-box img { width: 100%; height: 420px; margin-bottom: 20px; border-radius: 20px; }
   .category-overlay h3 { font-size: 1.4rem; }
   
   .milestone-number { font-size: clamp(2.5rem, 8vw, 3.5rem); }
   .franchise-features { grid-template-columns: 1fr; text-align: left; }
   
   .footer-content { grid-template-columns: 1fr; gap: 2.5rem; text-align: center; }
   .footer-desc { margin: 0 auto 1.5rem auto; }
   .social-links { justify-content: center; }
   
   /* Mobile Floating Action */
   .whatsapp-float-text { display: none; }
   .whatsapp-float { width: 55px; height: 55px; padding: 0; justify-content: center; bottom: 20px; right: 20px; }
   .whatsapp-float i { font-size: 28px; margin: 0; }
   
   /* Mobile Timeline Process */
   .timeline-container::before { left: 30px; }
   .timeline-item { width: 100%; left: 0 !important; padding: 20px 0 20px 70px; text-align: left !important; }
   .timeline-item:nth-child(odd) .timeline-dot, .timeline-item:nth-child(even) .timeline-dot { left: 18px; right: auto; top: 40px; }
   .timeline-item:nth-child(even) .timeline-content h3 { justify-content: flex-start; }
   .timeline-item:nth-child(odd) .timeline-content h3 { justify-content: flex-start; flex-direction: row-reverse; }
   .timeline-item:nth-child(odd) .timeline-number, .timeline-item:nth-child(even) .timeline-number { left: auto; right: 20px; }
}
/* ====== İLETİŞİM SAYFASI (CONTACT) ====== */
.contact-header { text-align: center; margin-bottom: 3rem; }
.contact-header h1 { font-family: var(--font-heading); color: var(--color-primary); font-size: clamp(2.5rem, 5vw, 3.5rem); margin-bottom: 1rem; }
.contact-header p { color: #555; font-size: 1.15rem; max-width: 650px; margin: 0 auto; line-height: 1.6; }

.contact-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 4rem; max-width: 1200px; margin: 0 auto 5rem; align-items: stretch; }

/* Contact Form Side */
.contact-form-wrapper { background: #fff; padding: 3rem 3rem 4rem; border-radius: 20px; box-shadow: 0 20px 50px rgba(0,0,0,0.06); border: 1px solid rgba(0,0,0,0.03); }
.contact-form-wrapper h3 { font-size: 1.6rem; color: #333; margin-bottom: 1.5rem; font-family: var(--font-heading); }

/* Contact Info Side */
.contact-info-wrapper { background: var(--color-primary); color: #fff; padding: 3rem; border-radius: 20px; box-shadow: 0 20px 50px rgba(189,31,45,0.2); position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: center; }
.contact-info-wrapper::before { content: ''; position: absolute; top: -50px; right: -50px; width: 150px; height: 150px; background: rgba(255,255,255,0.1); border-radius: 50%; }
.contact-info-wrapper::after { content: ''; position: absolute; bottom: -80px; left: -50px; width: 200px; height: 200px; background: rgba(255,255,255,0.05); border-radius: 50%; }
.contact-info-wrapper h3 { font-size: 1.8rem; margin-bottom: 2rem; position: relative; z-index: 1; font-family: var(--font-heading); }

.info-item { display: flex; align-items: flex-start; gap: 1.2rem; margin-bottom: 1.8rem; position: relative; z-index: 1; }
.info-item .icon-box { min-width: 50px; height: 50px; background: rgba(255,255,255,0.15); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; transition: var(--transition-smooth); }
.info-item:hover .icon-box { background: #fff; color: var(--color-primary); transform: scale(1.1); }
.info-text h4 { font-size: 1.1rem; margin-bottom: 0.3rem; font-weight: 600; }
.info-text p, .info-text a { color: rgba(255,255,255,0.9); font-size: 0.95rem; line-height: 1.6; text-decoration: none; }
.info-text a:hover { text-decoration: underline; }

.contact-socials { margin-top: 1rem; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.5rem; display: flex; gap: 1rem; position: relative; z-index: 1; }
.contact-socials a { display: flex; align-items: center; justify-content: center; width: 45px; height: 45px; border-radius: 50%; background: rgba(255,255,255,0.1); color: #fff; font-size: 1.2rem; transition: var(--transition-smooth); text-decoration: none; }
.contact-socials a:hover { background: #fff; color: var(--color-primary); transform: translateY(-3px); }

/* Map Area */
.map-container { width: 100%; border-radius: 20px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.08); height: 450px; }
.map-container iframe { width: 100%; height: 100%; border: none; }

@media (max-width: 992px) { .contact-grid { grid-template-columns: 1fr; gap: 2rem; } }
@media (max-width: 576px) { .contact-form-wrapper, .contact-info-wrapper { padding: 2rem; } .map-container { height: 350px; } }

/* ====== FORM EXTRA ELEMENTS (UPLOAD & CAPTCHA) ====== */
.file-upload-wrapper { margin-bottom: 2rem; }
.file-upload-wrapper label { display: block; margin-bottom: 0.6rem; font-weight: 600; font-size: 0.95rem; color: #333; }
.file-upload-input { width: 100%; padding: 12px; background: #fdfdfd; border: 1px dashed var(--color-primary); border-radius: 10px; font-family: var(--font-body); font-size: 0.95rem; outline: none; transition: 0.3s; cursor: pointer; color: #555; }
.file-upload-input:hover { background: rgba(189,31,45,0.02); }
.file-upload-input::file-selector-button { background: var(--color-primary); color: #fff; border: none; padding: 8px 16px; border-radius: 6px; cursor: pointer; margin-right: 15px; font-weight: 600; transition: 0.3s; font-family: var(--font-body); }
.file-upload-input::file-selector-button:hover { background: #8a111e; }

.custom-captcha { border: 1px solid #d3d3d3; background: #f9f9f9; border-radius: 3px; padding: 10px 15px; display: flex; align-items: center; justify-content: space-between; max-width: 300px; margin-bottom: 2.5rem;   }
.custom-captcha-left { display: flex; align-items: center; gap: 12px; }
.custom-captcha-left input[type="checkbox"] { width: 26px; height: 26px; cursor: pointer; accent-color: #000; border: 2px solid #c1c1c1; border-radius: 2px; }
.custom-captcha-left label { font-size: 0.95rem; color: #555; font-family: 'Roboto', sans-serif; cursor: pointer; user-select: none; font-weight: 500; }
.custom-captcha-right { display: flex; flex-direction: column; align-items: center; justify-content: center; opacity: 0.8; }
.custom-captcha-right img { width: 30px; margin-bottom: 2px; }
.custom-captcha-right span { font-size: 0.6rem; color: #555; font-family: sans-serif; font-weight: 400; }

/* ====== PRODUCTS PAGE ====== */
.page-header { position: relative; padding: 120px 0 60px; background-color: var(--color-secondary); color: #fff; text-align: center; overflow: hidden; }
.page-header::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(135deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 100%); z-index: 1; }
.page-header-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.4; z-index: 0; }
.page-header-content { position: relative; z-index: 2; margin-top: 40px; }
.page-header-title { font-size: clamp(3rem, 5vw, 4.5rem); font-family: var(--font-heading); margin-bottom: 20px; color: #fff; text-shadow: 0 4px 15px rgba(0,0,0,0.5); }
.page-header-desc { font-size: 1.2rem; color: rgba(255,255,255,0.9); max-width: 700px; margin: 0 auto; line-height: 1.6; }

.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 40px; margin: 60px 0; }
.product-card { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.05); transition: var(--transition-smooth); display: flex; flex-direction: column; border: 1px solid rgba(0,0,0,0.04); position: relative; }
.product-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(189,31,45,0.1); border-color: rgba(189,31,45,0.1); }
.product-img-wrapper { position: relative; padding-top: 100%; overflow: hidden; background: #fdfdfd; display: flex; align-items: center; justify-content: center; }
.product-img-wrapper img { position: absolute; bottom: 5%; left: 5%; width: 90%; height: auto; object-fit: contain; object-position: bottom center; transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1); filter: drop-shadow(0 20px 20px rgba(0,0,0,0.2)); transform-origin: bottom center; }
.product-card:hover .product-img-wrapper img { transform: scale(1.1); }
.product-info { padding: 30px; text-align: center; flex: 1; display: flex; flex-direction: column; }
.product-info h3 { font-size: 1.6rem; color: var(--color-secondary); margin-bottom: 12px; font-family: var(--font-heading); }
.product-info p { color: #666; font-size: 0.95rem; line-height: 1.6; flex: 1; margin-bottom: 20px; }
.product-card-btn { display: inline-flex; align-items: center; justify-content: center; width: 100%; padding: 12px; border-radius: 8px; background: rgba(189,31,45,0.05); color: var(--color-primary); font-weight: 600; font-family: var(--font-body); transition: var(--transition-smooth); border: 1px solid transparent; }
.product-card-btn:hover { background: var(--color-primary); color: #fff; box-shadow: 0 5px 15px rgba(189,31,45,0.3); }

@media (max-width: 768px) {
   .products-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 25px; }
   .page-header { padding: 100px 0 50px; }
}