:root {
    --primary-red: #D31326;
    --primary-cyan: #00D3D6;
    --text-dark: #111111;
    --text-muted: #666666;
    --bg-light: #F9F9F9;
    --bg-white: #FFFFFF;
    --border-color: #EAEAEA;
    
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    
    --card-bg: rgba(255, 255, 255, 0.4);
    --card-border: rgba(255, 255, 255, 0.2);
}

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

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.5;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Typography Utility */
.text-red { color: var(--primary-red); }
.text-cyan { color: var(--primary-cyan); }
.text-white { color: #FFFFFF; }
.overline {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-align: center;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--primary-red);
    color: #FFF;
    border: 1px solid var(--primary-red);
}

.btn-primary:hover {
    background-color: #a80f1e;
    border-color: #a80f1e;
}

.btn-outline {
    background-color: transparent;
    color: var(--text-dark);
    border: 1px solid var(--text-dark);
}

.btn-outline:hover {
    background-color: var(--text-dark);
    color: #FFF;
}

/* Navbar */
.navbar {
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-white);
    position: relative;
    z-index: 100;
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: baseline;
    font-weight: 800;
    letter-spacing: 1px;
    font-size: 1.5rem;
}

.logo-sub {
    margin-left: 5px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-dark);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-dark);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-btn .cart-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--primary-red);
    color: #FFF;
    font-size: 0.6rem;
    font-weight: bold;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* HERO SECTION */
.hero {
    position: relative;
    padding: 6rem 0;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(255,255,255,1) 0%, rgba(240,240,245,1) 100%);
}

.hero-container {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 10;
}

.hero-content {
    flex: 1;
    max-width: 50%;
    padding-right: 2rem;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 5.5rem;
    line-height: 1.05;
    font-weight: 400;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.hero-title .text-red {
    font-style: italic;
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.reviews {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.reviews .stars {
    color: var(--primary-cyan);
    font-size: 1.5rem;
    letter-spacing: 2px;
}

.reviews p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Hero Visual & 3D elements */
.hero-visual {
    flex: 1;
    position: relative;
    height: 700px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.vial-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.vial-img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-40%, -50%) rotate(15deg);
    height: 110%;
    object-fit: contain;
    z-index: 5;
    filter: drop-shadow( -20px 40px 30px rgba(0,0,0,0.15) );
}

/* Glassmorphism Cards */
.float-card {
    position: absolute;
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 1.25rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    z-index: 10;
    color: var(--text-dark);
}

.card-title {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(0,0,0,0.6);
    margin-bottom: 0.75rem;
}

/* Card Specifics */
.card-top-left {
    top: 10%;
    left: 10%;
    background: rgba(100, 100, 100, 0.7);
    color: #FFF;
    border-color: rgba(255,255,255,0.1);
}
.card-top-left .card-title { color: rgba(255,255,255,0.7); }
.card-logo { font-size: 1.2rem; font-weight: bold; margin-bottom: 1rem;}
.card-stat { display: flex; align-items: baseline; gap: 0.5rem; margin-bottom: 0.5rem;}
.stat-label { font-size: 0.65rem; opacity: 0.7;}
.stat-val { font-size: 1.25rem; font-weight: 300; }
.stat-unit { font-size: 0.6rem; opacity: 0.7; }
.graph { width: 100%; height: 20px; color: var(--primary-cyan); margin-top: 0.5rem; }

.card-mid-left {
    top: 45%;
    left: 5%;
    background: rgba(120, 120, 120, 0.6);
    color: #FFF;
    border-color: rgba(255,255,255,0.1);
    padding: 1rem 1.25rem;
}
.card-mid-left .card-title { color: rgba(255,255,255,0.7); margin-bottom: 0.5rem;}
.card-val { font-size: 0.85rem; font-weight: 600; margin-bottom: 0.25rem;}
.card-status { font-size: 0.65rem; color: #FFF; }

.card-mid-right {
    top: 55%;
    right: 5%;
    background: rgba(80, 80, 80, 0.7);
    color: #FFF;
}
.card-mid-right .card-title { color: rgba(255,255,255,0.7); }
.flex-card {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}
.progress-ring-wrap {
    position: relative;
    width: 60px;
    height: 60px;
    margin-top: 0.5rem;
}
.progress-ring {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}
.circle-bg {
    fill: none;
    stroke: rgba(255,255,255,0.1);
    stroke-width: 2;
}
.circle {
    fill: none;
    stroke: var(--primary-cyan);
    stroke-width: 2;
}
.ring-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.85rem;
    font-weight: bold;
}
.ring-status {
    display: flex;
    flex-direction: column;
    font-size: 0.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    gap: 0.25rem;
}
.status-line {
    width: 100%;
    height: 1px;
    background: var(--primary-cyan);
}

.card-bottom-right {
    bottom: 5%;
    right: 25%;
    background: rgba(80, 80, 80, 0.8);
    color: #FFF;
    border-radius: 4px;
}
.card-bottom-right .card-title { color: rgba(255,255,255,0.7); margin-bottom: 0.5rem;}
.card-bottom-right .text-sm { font-size: 0.65rem; font-weight: 500; letter-spacing: 0.5px;}

/* Subtle GLow effect behind vial */
.glow-bg {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    filter: blur(100px);
    z-index: 1;
    opacity: 0.3;
}
.glow-cyan {
    background: var(--primary-cyan);
    right: 15%;
    top: 20%;
}
.glow-red {
    background: var(--primary-red);
    right: 5%;
    bottom: 10%;
}

/* STATS SECTION */
.stats-section {
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background: #FFF;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    text-align: center;
    position: relative;
}

.stats-grid::before {
    content: '';
    position: absolute;
    top: 10%;
    bottom: 10%;
    left: 25%;
    width: 1px;
    background: var(--border-color);
}
.stats-grid::after {
    content: '';
    position: absolute;
    top: 10%;
    bottom: 10%;
    left: 50%;
    width: 1px;
    background: var(--border-color);
}
.stat-item {
    position: relative;
    padding: 1rem;
}
/* For the rightmost border */
.stat-item:nth-child(3)::after {
    content: '';
    position: absolute;
    top: 10%;
    bottom: 10%;
    right: 0;
    width: 1px;
    background: var(--border-color);
}

.stat-icon {
    color: var(--primary-cyan);
    margin-bottom: 1.5rem;
}

.stat-item h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 1px;
}


/* FEATURES SECTION */
.features-section {
    padding: 8rem 0;
    background: #FFF;
}

.features-container {
    display: flex;
    gap: 4rem;
    align-items: center;
}

.features-content {
    flex: 1;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.features-cards {
    flex: 1.2;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 2.5rem 1.5rem;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.card-icon {
    color: var(--primary-cyan);
    margin-bottom: 2rem;
}

.feature-card h3 {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
}


/* CTA SECTION (Dark Box section) */
.cta-section {
    position: relative;
    padding: 8rem 0;
    background: #000;
    overflow: hidden;
    color: #FFF;
}

.cta-bg-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.cta-box-img {
    position: absolute;
    top: 50%;
    right: -5%;
    transform: translateY(-50%);
    width: 60%;
    height: 120%;
    object-fit: cover;
    z-index: 1;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,1) 0%, rgba(0,0,0,0.8) 40%, rgba(0,0,0,0) 100%);
    z-index: 2;
}

.cta-container {
    position: relative;
    z-index: 10;
}

.cta-content {
    max-width: 500px;
}

.cta-content .section-title {
    margin-bottom: 2rem;
}

.cta-desc {
    color: #CCC;
    font-size: 1rem;
    margin-bottom: 3rem;
}

.signature-block {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.signature {
    color: var(--primary-cyan);
}

.signature-text h4 {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 0.25rem;
}

.signature-text p {
    font-size: 0.75rem;
    color: #888;
}

/* Responsive basics */
@media (max-width: 1024px) {
    .hero-container {
        flex-direction: column;
    }
    .hero-content {
        max-width: 100%;
        margin-bottom: 4rem;
        padding-right: 0;
    }
    .hero-visual {
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    .stats-grid::before, .stats-grid::after, .stat-item:nth-child(3)::after {
        display: none;
    }
    
    .features-container {
        flex-direction: column;
    }
    
    .cta-box-img {
        width: 100%;
        right: -30%;
        opacity: 0.5;
    }
}