:root {
    --bg-color: #FAFAFA;
    /* Softer White */
    --text-main: #1A1A1A;
    /* Softer Black */
    --text-muted: #666666;
    --accent: #E63900;
    /* Richer Orange */
    --surface: #FFFFFF;
    --border: #EAEAEA;
    --container-width: 1200px;
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.08);
    /* Premium Shadow */
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    /* Improved Readability */
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1,
h2,
h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

h1 {
    font-size: 4.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

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

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.text-gradient {
    background: linear-gradient(90deg, #111, #555);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Nav */
nav {
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -1px;
}

.nav-links a {
    margin-left: 2rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.2s;
}

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

/* Hero */
.hero {
    padding: 10rem 0 8rem;
    text-align: center;
    background-image: linear-gradient(rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.9)), url('assets/silver_hero_hiking_1768684282674.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    border-radius: 0 0 32px 32px;
}

.hero-badge {
    display: inline-block;
    background: var(--surface);
    color: var(--text-main);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.hero p {
    font-size: 1.5rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 1.5rem auto 3rem;
    font-weight: 400;
}

.btn-primary {
    display: inline-block;
    background: var(--text-main);
    color: #fff;
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.2s, background 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: #000;
}

/* Category Nav */
.category-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 6rem;
    margin-top: -3rem;
    /* Overlap hero */
    z-index: 10;
    position: relative;
    padding: 0 1rem;
}

.cat-card {
    background: #fff;
    border-radius: 20px;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border);
    overflow: hidden;
    position: relative;
    height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.cat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.cat-card img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    transition: transform 0.5s;
}

.cat-card:hover img {
    transform: scale(1.05);
}

.cat-label {
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 90%;
    margin: 0 auto 1rem;
    border-radius: 12px;
}

/* Products */
.products-section {
    padding: 6rem 0;
    background: var(--text-main);
    color: #fff;
    border-radius: 32px;
    margin-bottom: 4rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

@media (min-width: 900px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.product-item {
    background: var(--surface);
    border: none;
    /* Removed harsh border */
    padding: 0;
    border-radius: 24px;
    /* More modern */
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    /* Clean base shadow */
}

.product-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.product-image-container {
    width: 100%;
    height: 280px;
    /* Taller images */
    background: #f0f0f0;
    overflow: hidden;
    position: relative;
}

.product-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.product-item:hover .product-image-container img {
    transform: scale(1.05);
}

.product-content {
    padding: 2rem;
}

.product-badge {
    background: var(--accent);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 1rem;
}

.product-category {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    display: block;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 1rem;
    display: block;
    color: var(--text-main);
}

.btn-outline {
    display: block;
    width: 100%;
    margin-top: 1.5rem;
    padding: 1rem;
    border: 1px solid var(--text-main);
    color: var(--text-main);
    background: transparent;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

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

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
}


/* Digital Biohack Section */
.digital-section {
    padding: 6rem 0;
    background: #fff;
    border-top: 1px solid var(--border);
}

.digital-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.digital-card {
    background: var(--surface);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    transition: transform 0.2s;
}

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

.icon-box {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
}

.digital-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.digital-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

@media (max-width: 900px) {
    .digital-grid {
        grid-template-columns: 1fr;
    }
}

/* Services Section Tweaks */
.services-section .product-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    height: 100%;
    border: 1px solid #222;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.services-section .product-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

@media (max-width: 768px) {
    h1 {
        font-size: 3rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 4rem 0;
    }
}