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

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: #0f0f0f;
    color: #eee;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ======================
   NAVBAR
====================== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: #1a1a1a;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo h1 {
    color: #ffcc00;
    font-size: 1.7rem;
    margin: 0;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #ffcc00;
    border-radius: 3px;
    transition: all 0.3s;
}

/* Desktop Navigation */
.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: #eee;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #ffcc00;
}

/* Mobile Styles */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-container {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #1a1a1a;
        display: none;
        flex-direction: column;
        padding: 1rem 0;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.5);
    }

    .nav-container.active {
        display: flex;
    }

    .nav-links {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
        width: 100%;
    }
}


/* ======================
   HERO
====================== */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.75)),
                url('images/logos/backdrop0.png') center center/cover no-repeat;
    height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 900px;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.diamondvault-logo {
    max-width: 520px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.8));
    margin-bottom: 0.5rem;
}

.hero-content h1 {
    font-size: 2rem;
    color: #ffcc00;
    margin-bottom: 1rem;
}

/* ======================
   SECTIONS (Home)
====================== */
.mission,
.why-us,
.about {
    padding: 4rem 0;
}

h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: #ffcc00;
    font-size: 2.5rem;
}

.mission p,
.about p {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.2rem;
}

#aboutUs {
    scroll-margin-top: 100px;
}

/* Why Choose Us */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: #1a1a1a;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
}

/* ======================
   FOOTER
====================== */
footer {
    background-color: #111;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

footer h4 {
    margin-bottom: 1rem;
    color: #ffcc00;
}

footer a {
    color: #ccc;
    text-decoration: none;
}

footer a:hover {
    color: #ffcc00;
}

.copyright {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid #333;
    color: #777;
}

/* ======================
   CONTACT PAGE
====================== */
.contact-page {
    padding: 5rem 0;
    text-align: center;
}

.contact-message {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 2rem auto;
}

.contact-info h3 {
    color: #ffcc00;
    margin: 2.5rem 0 1rem;
}

.contact-info p {
    font-size: 1.15rem;
    line-height: 1.6;
}

.contact-info a,
.contact-page a {
    color: #ffffff;
    text-decoration: underline;
    font-weight: 500;
}

.contact-info a:hover,
.contact-page a:hover {
    color: #ffffff;
    text-decoration: none;
}

/* ======================
   PRODUCTS PAGE
====================== */
.products-page {
    padding: 4rem 0;
    background-color: #111;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 3rem;
}


@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
        }
    }

@media (max-width: 500px) {
        .products-grid {
            grid-template-columns: 1fr;
        }
    }


.product-card {
    text-align: center;
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-8px);
}

.product-card img {
    width: 100%;
    max-width: 180px;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.6);
    transition: transform 0.3s;
}

.product-card h3 {
    margin: 1.2rem 0 0.4rem;
    color: #ffcc00;
    font-size: 1.35rem;
}

.checklist-btn {
    display: inline-block;
    margin-top: 15px;
    padding: 12px 28px;
    background: #ffc400;
    color: #111;
    text-decoration: none;
    font-weight: bold;
    border-radius: 6px;
    transition: 0.25s;
}

.checklist-btn:hover {
    background: #ffd84d;
    transform: translateY(-2px);
}

/* Sold Out Styling */
.product-card.sold-out {
    opacity: 0.85;
    position: relative;
}

.product-card.sold-out img {
    filter: brightness(0.7) grayscale(40%);
}

.sold-out-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(201, 73, 98, 0.95);
    color: white;
    font-size: 1.1rem;
    font-weight: bold;
    padding: 12px 28px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.6);
    pointer-events: none;
    z-index: 10;
}