/* Luxury Minimalist Design System - Final Polish */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --color-gold: #AF944F;
    --color-gold-light: #D4AF37;
    --color-dark: #121212;
    --color-text: #2C2C2C;
    --color-text-muted: #6B6B6B;
    --color-bg: #f7f7f7;
    --color-surface: #FFFFFF;
    --color-chalk: #F4F4F2;
    
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Inter', sans-serif;

    --shadow-sm: 0 2px 4px rgba(0,0,0,0.02);
    --shadow-md: 0 20px 40px rgba(0,0,0,0.04);
    --shadow-lg: 0 30px 60px rgba(0,0,0,0.06);
    
    --radius: 2px;
    --transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.1;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* Utilities */
.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.section-padding { padding: 120px 0; }
.text-center { text-align: center; }
.text-gold { color: var(--color-gold); }
.bg-chalk { background-color: var(--color-chalk); }
.align-center { align-items: center; }

/* Navigation */
.navbar {
    position: fixed;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    padding: 15px 40px;
    background: rgba(255, 255, 255, 0.9); /* Default glass for white pages */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 50px;
    z-index: 1000;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

/* Home page specific: transparent at top */
body.navbar-transparent:not(.scrolled) .navbar {
    background: transparent;
    backdrop-filter: blur(0px);
    border-color: transparent;
}

.navbar.scrolled {
    top: 15px;
    padding: 12px 40px;
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-dark);
    text-transform: lowercase;
    z-index: 1002;
}

.logo-img {
    width: 130px;
    object-fit: contain;
    
}

/* On transparent home top, logo and links should be white */
body.navbar-transparent:not(.scrolled) .navbar .logo { color: white !important; }
body.navbar-transparent:not(.scrolled) .navbar .nav-links a { color: white; opacity: 0.8; }
body.navbar-transparent:not(.scrolled) .navbar .social-icons a { color: white; }
body.navbar-transparent:not(.scrolled) .navbar .hamburger span { background: white; }

.logo span { color: var(--color-gold); text-transform: uppercase; }

.nav-links { display: flex; gap: 30px; }
.nav-links a {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
    opacity: 0.6;
}

.nav-links a:hover, .nav-links a.active { opacity: 1 !important; color: var(--color-gold) !important; }

.nav-extra { display: flex; align-items: center; gap: 25px; }

.social-icons { display: flex; gap: 15px; }
.social-icons a { font-size: 1rem; opacity: 0.5; color: inherit; }
.social-icons a:hover { opacity: 1; color: var(--color-gold); transform: translateY(-2px); }

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1002;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: var(--color-dark);
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.hamburger.active span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }

.social-icons { display: flex; gap: 15px; }
.social-icons a { font-size: 1rem; opacity: 0.5; }
.social-icons a:hover { opacity: 1; color: var(--color-gold); transform: translateY(-2px); }

/* Hero */
.hero {
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: #000;
    overflow: hidden;
}

.hero-img {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
    text-align: center;
}

.hero h1 { font-size: clamp(3rem, 10vw, 6rem); margin-bottom: 20px; font-style: italic; }
.hero .tagline { 
    font-size: 0.9rem; 
    text-transform: uppercase; 
    letter-spacing: 6px; 
    color: var(--color-gold-light); 
    margin-bottom: 30px;
    display: block;
}

/* Common Sections */
.section-title { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 20px; }
.subtitle { 
    font-size: 0.8rem; 
    text-transform: uppercase; 
    letter-spacing: 4px; 
    color: var(--color-gold); 
    margin-bottom: 40px; 
    display: block; 
}

/* Ecosystem Grid */
.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 120px;
    margin-top: 60px;
}

.ecosystem-card { position: relative; cursor: pointer; }
.ecosystem-card:nth-child(even) { margin-top: 100px; }

.ecosystem-img-wrapper {
    height: 600px;
    overflow: hidden;
    position: relative;
    background: var(--color-chalk);
}

.ecosystem-img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.ecosystem-card:hover .ecosystem-img { transform: scale(1.08); }

.ecosystem-info {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: white;
    padding: 40px;
    max-width: 320px;
    box-shadow: var(--shadow-lg);
}

.ecosystem-info h3 { font-size: 1.8rem; margin-bottom: 10px; }
.ecosystem-info p { font-size: 0.85rem; color: var(--color-text-muted); }

/* Buttons & Links */
.btn {
    display: inline-block;
    padding: 18px 45px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    border: 1px solid var(--color-gold);
    background: transparent;
    color: var(--color-gold);
    cursor: pointer;
}
.btn:hover { background: var(--color-gold); color: white; letter-spacing: 5px; }

.read-more {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    color: var(--color-gold);
}

/* About Page */
.page-header { padding-top: 200px; padding-bottom: 60px; }
.feature-item { margin-bottom: 30px; padding-left: 20px; border-left: 1px solid var(--color-gold); }
.value-card { padding: 50px; background: white; box-shadow: var(--shadow-md); text-align: center; }
.value-card i { font-size: 2rem; color: var(--color-gold); margin-bottom: 20px; display: block; }

.laboratory-image-full {
    height: 600px;
    background: #eee;
    position: relative;
    overflow: hidden;
}

/* Gallery */
.filters { margin-bottom: 60px; display: flex; justify-content: center; gap: 30px; flex-wrap: wrap; }
.filter-btn { 
    background: transparent; border: none; font-family: var(--font-body); 
    font-size: 0.7rem; text-transform: uppercase; letter-spacing: 2px; 
    color: var(--color-text-muted); cursor: pointer; border-bottom: 1px solid transparent;
}
.filter-btn.active { color: var(--color-gold); border-bottom-color: var(--color-gold); }

.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 50px; }
.gallery-item { transition: var(--transition); }
.gallery-img { height: 450px; background: var(--color-chalk); overflow: hidden; margin-bottom: 25px; }
.gallery-img img { width: 100%; height: 100%; object-fit: cover; }
.gallery-info h3 { font-size: 1.5rem; margin-bottom: 8px; }
.gallery-info p { font-size: 0.9rem; color: var(--color-text-muted); }
.price-range { display: block; margin-top: 15px; color: var(--color-gold); font-weight: 600; font-size: 0.8rem; }

/* Contact */
.contact-container { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.info-list li { margin-bottom: 25px; display: flex; align-items: center; gap: 15px; }
.contact-form-wrapper { background: white; padding: 50px; box-shadow: var(--shadow-lg); }
.form-group { margin-bottom: 25px; }
.form-group input, .form-group textarea {
    width: 100%; padding: 15px 0; border: none; border-bottom: 1px solid #ddd;
    font-family: var(--font-body); outline: none; transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus { border-bottom-color: var(--color-gold); }

/* Footer */
footer { background: #000; color: white; padding: 100px 0 0; text-align: center; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 60px; margin-bottom: 80px; }
footer .logo { color: white !important; margin-bottom: 25px; display: inline-block; }
footer p { color: #7e7e7e; font-size: 0.9rem; max-width: 300px; margin: 0 auto 20px; }
footer h4 { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 3px; color: var(--color-gold); margin-bottom: 30px; }
footer ul li { margin-bottom: 12px; }
footer ul a { color: #aaaaaa; font-size: 0.85rem; }
footer ul a:hover { color: white; }
.footer-bottom { padding: 40px 0; border-top: 1px solid #111; color: #333; font-size: 0.7rem; text-align: center; }

/* Cursor Follower */
@media (min-width: 992px) {
    body { cursor: none; }
    a, button, .ecosystem-card, .gallery-item { cursor: none; }
}

.cursor-follower { position: fixed; top: 0; left: 0; pointer-events: none; z-index: 9999; }
.cursor-main {
    width: 20px; height: 20px; background: var(--color-gold); border-radius: 50%;
    position: fixed; transform: translate(-50%, -50%); transition: width 0.3s, height 0.3s;
}
.cursor-dot {
    width: 4px; height: 4px; background: var(--color-gold-light); border-radius: 50%;
    position: fixed; transform: translate(-50%, -50%); opacity: 0.4;
}
.cursor-main.hover { width: 60px; height: 60px; background: rgba(175, 148, 79, 0.1); border: 1px solid var(--color-gold); }

/* Animations */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }
.animate-up { animation: fadeInUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }

/* Mobile */
@media (max-width: 992px) {
    body:not(.navbar-transparent) { padding-top: 30px; }
    .container { width: 90%; }
    .navbar { 
        top: 15px; 
        width: 95%; 
        padding: 12px 25px; 
        border-radius: 30px; 
        background: rgba(255, 255, 255, 0.95); /* Default white/glass */
        border: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    body.navbar-transparent:not(.scrolled):not(.active) .navbar {
        background: transparent !important;
        border-color: transparent !important;
    }
    
    .navbar.scrolled, .navbar.active { 
        background: rgba(255, 255, 255, 0.95) !important; 
        backdrop-filter: blur(10px); 
        border-color: rgba(0, 0, 0, 0.05);
    }

    .hamburger { display: flex; }

    .nav-links {
        position: absolute;
        top: 70px; /* Below the navbar pill */
        left: 0;
        width: 100%;
        height: auto;
        max-height: 0;
        background: white;
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        gap: 0;
        padding: 0 30px;
        transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 999;
        overflow: hidden;
        border-radius: 20px;
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        max-height: 500px;
        padding: 30px;
    }

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid #f0f0f0;
    }

    .nav-links li:last-child { border-bottom: none; }

    .nav-links a {
        display: block;
        padding: 15px 0;
        font-size: 1rem;
        color: var(--color-dark) !important;
        opacity: 1 !important;
    }

    .social-icons { display: none; }
    
    .ecosystem-grid, .footer-grid, .contact-container { grid-template-columns: 1fr; gap: 60px; }
    .ecosystem-card:nth-child(even) { margin-top: 0; }
    .ecosystem-img-wrapper { height: 400px; }
    .ecosystem-info { position: static; margin-top: -40px; margin-left: 20px; }
    .hero h1 { font-size: 3.5rem; }
    .section-padding { padding: 80px 0; }

    /* For mobile logo: white at top ONLY on transparent pages, dark otherwise */
    body.navbar-transparent:not(.scrolled) .navbar:not(.active) .logo { color: white !important; }
    body:not(.navbar-transparent) .navbar .logo, 
    body.scrolled .navbar .logo, 
    .navbar.active .logo { color: var(--color-dark) !important; }
    
    /* Hamburger color adjustment */
    body.navbar-transparent:not(.scrolled) .navbar:not(.active) .hamburger span { background: white; }
    body:not(.navbar-transparent) .navbar .hamburger span,
    body.scrolled .navbar .hamburger span, 
    .navbar.active .hamburger span { background: var(--color-dark); }
}