@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=Inter:wght@300;400;500;700&family=Instrument+Serif:ital@0;1&display=swap');

:root {
    --bg-dark: #05070a;
    --bg-card: rgba(15, 18, 25, 0.7);
    --electric-blue: #007bff;
    --metallic-silver: #a0a5b0;
    --neon-glow: 0 0 20px rgba(0, 123, 255, 0.3);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Background Patterns & Textures */
.bg-grid {
    background-image: 
        linear-gradient(rgba(0, 123, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 123, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
}

.bg-glow-blue {
    background: radial-gradient(circle at 50% 50%, rgba(0, 123, 255, 0.05) 0%, transparent 70%);
}

.floating-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--electric-blue);
    border-radius: 50%;
    opacity: 0.3;
    animation: floatParticle 20s infinite linear;
}

@keyframes floatParticle {
    0% { transform: translateY(0) translateX(0); opacity: 0; }
    20% { opacity: 0.3; }
    80% { opacity: 0.3; }
    100% { transform: translateY(-100vh) translateX(50px); opacity: 0; }
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--bg-dark);
    color: #fff;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: #fff;
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, .font-outfit {
    font-family: 'Outfit', sans-serif;
}

.font-serif {
    font-family: 'Instrument Serif', serif;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Header Styles */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 3000;
    padding: 20px 0;
    transition: 0.4s ease;
    background: rgba(5, 7, 10, 0.1);
}

#main-header.scrolled {
    background: rgba(5, 7, 10, 0.8);
    backdrop-filter: blur(15px);
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 15px rgba(0, 123, 255, 0.4)) !important;
}

.nav-link {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.85rem;
    transition: 0.3s;
    opacity: 0.8;
}

.nav-link:hover {
    color: var(--electric-blue);
    opacity: 1;
}

.glass-card {
    background: var(--bg-card);
    border: var(--glass-border);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 40px;
    transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 123, 255, 0.4);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.text-gradient {
    background: linear-gradient(135deg, #fff 0%, var(--electric-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Footer */
footer {
    padding: 100px 0 50px;
    border-top: var(--glass-border);
}

address {
    font-style: normal;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-link {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: 0.3s;
}

.footer-link:hover {
    color: var(--electric-blue);
}

.peptide-link {
    color: var(--electric-blue);
    text-decoration: none;
    transition: var(--transition-smooth);
    border-bottom: 1px solid transparent;
}

.peptide-link:hover {
    border-bottom: 1px solid var(--electric-blue);
    opacity: 0.8;
}

.peptide-list {
    font-weight: 700;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

@media (min-width: 992px) {
    .peptide-list {
        white-space: nowrap;
    }
}

.btn-premium {
    background: var(--electric-blue);
    color: #fff;
    padding: 10px 24px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: var(--neon-glow);
    transition: 0.3s;
    border: none;
}

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 123, 255, 0.5);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.dna-canvas {
    width: 100%;
    height: 105%;
    object-fit: cover;
    filter: hue-rotate(110deg) brightness(0.6) saturate(1.4) contrast(1.1);
    animation: dnaDynamic 30s ease-in-out infinite alternate;
    opacity: 0.75;
    position: absolute;
    top: -2.5%;
    left: 0;
}

@keyframes dnaDynamic {
    0% { 
        transform: scale(1) translate(0, 0) rotate(0deg);
        filter: hue-rotate(110deg) brightness(0.5) saturate(1.2);
    }
    50% { 
        transform: scale(1.1) translate(-2%, 2%) rotate(1deg);
        filter: hue-rotate(120deg) brightness(0.7) saturate(1.5);
    }
    100% { 
        transform: scale(1.05) translate(1%, -1%) rotate(-1deg);
        filter: hue-rotate(105deg) brightness(0.6) saturate(1.3);
    }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, transparent, var(--bg-dark) 90%);
}

.hero-content {
    max-width: 800px;
}

.hero-tagline {
    color: var(--electric-blue);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 5px;
    text-transform: uppercase;
    margin-bottom: 20px;
    display: block;
}

.hero h1 {
    font-size: 5rem;
    line-height: 1;
    font-weight: 800;
    margin-bottom: 30px;
    background: linear-gradient(to right, #fff, var(--metallic-silver));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Glass Cards */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.glass-card:hover {
    transform: translateY(-10px);
    border-color: var(--electric-blue);
    box-shadow: var(--neon-glow);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Product Catalog */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    padding: 60px 0;
}

.product-image-container {
    background: #ddded9;
    border-radius: 15px;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.product-image-container img {
    height: 80%;
    transition: 0.5s;
}

.glass-card:hover .product-image-container img {
    transform: scale(1.1);
}

.badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0, 123, 255, 0.2);
    color: var(--electric-blue);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    transition: 0.3s;
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(10deg);
}

/* Footer */
footer {
    padding: 100px 0 50px;
    border-top: var(--glass-border);
}

/* Responsive Utilities */
.hide-on-desktop { display: none !important; }
.hide-on-mobile { display: flex !important; }

@media (max-width: 991px) {
    .hide-on-desktop { display: flex !important; }
    .hide-on-mobile { display: none !important; }
}

@media (max-width: 1024px) {
    .container { padding: 0 30px; }
    section { padding: 80px 0 !important; }
    h2 { font-size: 2.5rem !important; }
}

@media (max-width: 768px) {
    .hero { padding-top: 160px !important; }
    .hero h1 { font-size: 3rem !important; }
    .hero-content { text-align: center; display: flex; flex-direction: column; align-items: center; }
    
    section > .container > div { 
        grid-template-columns: 1fr !important; 
        gap: 40px !important; 
        text-align: center;
    }

    .hero-bg img {
        object-position: center;
    }

    footer > .container > div {
        grid-template-columns: 1fr !important;
        text-align: center;
        gap: 50px !important;
    }

    footer div {
        align-items: center;
        display: flex;
        flex-direction: column;
    }

    .reveal video {
        min-height: 250px;
        aspect-ratio: 16/9;
    }
    
    #lab-video {
        min-height: 400px;
        aspect-ratio: 9/16;
    }
}

/* Tech Animations */
@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.9); }
    100% { opacity: 1; transform: scale(1); }
}

@keyframes scanLine {
    0% { top: 0; }
    100% { top: 100%; }
}

/* Custom Language Dropdown */
.lang-container {
    position: relative;
    min-width: 80px;
}

.custom-dropdown {
    position: relative;
    cursor: pointer;
    user-select: none;
    z-index: 2005;
}

.dropdown-selected {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 6px 12px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #fff;
    transition: all 0.3s ease;
    pointer-events: auto;
}

.dropdown-selected:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--electric-blue);
}

.dropdown-selected img {
    width: 18px;
    height: 14px;
    object-fit: cover;
    border-radius: 2px;
}

.dropdown-options {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: #0b0f1a;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
    display: none;
    flex-direction: column;
    width: 110px;
    z-index: 2100;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
}

.custom-dropdown.active .dropdown-options {
    display: flex;
    animation: fadeInDropdown 0.2s ease-out;
}

@keyframes fadeInDropdown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.dropdown-option {
    padding: 10px 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.2s ease;
}

.dropdown-option:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.dropdown-option.active {
    background: rgba(0, 123, 255, 0.1);
    color: var(--electric-blue);
    font-weight: 700;
}

.dropdown-option img {
    width: 18px;
    height: 14px;
    object-fit: cover;
    border-radius: 2px;
}