/* === REVIVE PEPTIDES — Clean/Wellness + Gold Hybrid === */

:root {
    --gold: #b8972e;
    --gold-light: #d4b44a;
    --gold-soft: #f5edd4;
    --gold-bg: rgba(184, 151, 46, 0.08);
    --black: #1a1a1a;
    --dark: #2d2d2d;
    --white: #ffffff;
    --off-white: #fafaf8;
    --light-gray: #f2f2f0;
    --border: #e8e6e0;
    --text: #333333;
    --text-muted: #777777;
    --text-light: #999999;
    --success: #4a9e6e;
    --danger: #c44;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Montserrat', sans-serif;
    background: var(--white);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* === NAV === */
#nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo-img { height: 38px; }

.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: color 0.3s;
}
.nav-links a:hover { color: var(--gold); }

.cart-link {
    background: var(--gold) !important;
    color: var(--white) !important;
    padding: 9px 20px;
    border-radius: 50px;
    font-weight: 600 !important;
    transition: background 0.3s !important;
}
.cart-link:hover { background: var(--gold-light) !important; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}
.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: 0.3s;
}

/* === HERO === */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: linear-gradient(160deg, var(--off-white) 0%, var(--white) 40%, var(--gold-soft) 100%);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(184, 151, 46, 0.06) 0%, transparent 60%);
}

.hero-content { position: relative; z-index: 1; padding: 20px; max-width: 700px; }

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 300;
    letter-spacing: 12px;
    color: var(--black);
    margin-bottom: 8px;
    line-height: 1.2;
}

.hero-title strong {
    font-weight: 700;
    color: var(--gold);
}

.hero-subtitle {
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    font-weight: 400;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.hero-tagline {
    font-size: 0.85rem;
    color: var(--text-light);
    letter-spacing: 1.5px;
    margin-bottom: 45px;
    line-height: 1.8;
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 14px 44px;
    border: none;
    border-radius: 50px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-gold {
    background: var(--gold);
    color: var(--white);
}
.btn-gold:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(184, 151, 46, 0.25);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--gold);
    color: var(--gold);
}
.btn-outline:hover { background: var(--gold); color: var(--white); }

.btn-full { width: 100%; text-align: center; }

/* === SECTIONS === */
.section { padding: 100px 0; }
.section-dark { background: var(--off-white); }

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 300;
    color: var(--black);
    text-align: center;
    letter-spacing: 5px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.section-title strong { font-weight: 700; color: var(--gold); }

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.88rem;
    letter-spacing: 1px;
    margin-bottom: 55px;
    font-weight: 300;
}

/* === CATEGORY FILTER === */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 45px;
}

.cat-btn {
    padding: 9px 22px;
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--text-muted);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.72rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 50px;
    font-weight: 500;
}
.cat-btn:hover, .cat-btn.active {
    border-color: var(--gold);
    color: var(--gold);
    background: var(--gold-bg);
}

/* === PRODUCT GRID === */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.product-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px 28px;
    transition: all 0.3s;
    position: relative;
}
.product-card:hover {
    border-color: var(--gold);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.product-card.featured::before {
    content: 'POPULAR';
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--gold);
    color: var(--white);
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    padding: 4px 12px;
    border-radius: 50px;
}

.product-card.preorder-badge::before {
    content: 'PRE-ORDER';
    position: absolute;
    top: 16px;
    right: 16px;
    background: transparent;
    border: 1px solid var(--gold);
    color: var(--gold);
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    padding: 4px 12px;
    border-radius: 50px;
}

.product-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

.product-dosage {
    font-size: 0.78rem;
    color: var(--gold);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 14px;
    font-weight: 600;
}

.product-category {
    display: inline-block;
    font-size: 0.62rem;
    color: var(--text-muted);
    background: var(--light-gray);
    padding: 4px 12px;
    border-radius: 50px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
    font-weight: 500;
}

.product-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 18px;
    min-height: 60px;
    font-weight: 300;
}

.product-purity {
    font-size: 0.75rem;
    color: var(--success);
    margin-bottom: 16px;
    font-weight: 500;
}

.product-price {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 4px;
}

.product-stock {
    font-size: 0.7rem;
    color: var(--success);
    margin-bottom: 18px;
    font-weight: 500;
    letter-spacing: 0.5px;
}
.product-stock.out { color: var(--danger); }
.product-stock.preorder { color: var(--gold); }

.add-to-cart {
    width: 100%;
    padding: 12px;
    background: var(--gold);
    border: none;
    color: var(--white);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 50px;
}
.add-to-cart:hover {
    background: var(--gold-light);
    box-shadow: 0 4px 20px rgba(184, 151, 46, 0.3);
}

.add-to-cart.preorder-btn {
    background: transparent;
    border: 2px solid var(--gold);
    color: var(--gold);
}
.add-to-cart.preorder-btn:hover {
    background: var(--gold);
    color: var(--white);
}

/* === ABOUT GRID === */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.about-card {
    text-align: center;
    padding: 40px 28px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all 0.3s;
}
.about-card:hover {
    border-color: var(--gold);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
}

.about-icon { font-size: 2.2rem; margin-bottom: 18px; }
.about-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
}
.about-card p { font-size: 0.82rem; color: var(--text-muted); font-weight: 300; line-height: 1.7; }

/* === QUALITY === */
.quality-content { max-width: 750px; margin: 0 auto; }
.quality-content > p { font-weight: 300; color: var(--text-muted); font-size: 0.9rem; }
.quality-list {
    list-style: none;
    margin: 25px 0;
}
.quality-list li {
    padding: 14px 0 14px 30px;
    position: relative;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-weight: 300;
}
.quality-list li::before {
    content: '✓';
    color: var(--gold);
    position: absolute;
    left: 0;
    font-weight: 700;
    font-size: 1rem;
}
.quality-cta {
    margin-top: 35px;
    text-align: center;
    color: var(--gold);
    font-weight: 500;
    font-size: 0.9rem;
}

/* === CART DRAWER === */
.cart-drawer {
    position: fixed;
    top: 0;
    right: -420px;
    width: 420px;
    max-width: 90vw;
    height: 100vh;
    background: var(--white);
    z-index: 2000;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--border);
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
}
.cart-drawer.open { right: 0; }

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    border-bottom: 1px solid var(--border);
}
.cart-header h3 {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--black);
}
.cart-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

.cart-items { flex: 1; overflow-y: auto; padding: 24px; }
.cart-empty { color: var(--text-light); text-align: center; padding: 50px 0; font-weight: 300; font-size: 0.9rem; }

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}
.cart-item-info h4 { color: var(--black); font-size: 0.88rem; font-weight: 600; }
.cart-item-info p { color: var(--text-muted); font-size: 0.75rem; font-weight: 300; }
.cart-item-price { color: var(--black); font-weight: 700; font-size: 0.95rem; }
.cart-item-remove {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    font-size: 0.85rem;
    margin-left: 12px;
    transition: color 0.3s;
}
.cart-item-remove:hover { color: var(--danger); }

.cart-footer {
    padding: 24px;
    border-top: 1px solid var(--border);
    background: var(--off-white);
}
.cart-total {
    font-size: 1.1rem;
    color: var(--black);
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}
.cart-note {
    font-size: 0.72rem;
    color: var(--success);
    margin-bottom: 18px;
    font-weight: 500;
}

.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1999;
    display: none;
    backdrop-filter: blur(3px);
}
.cart-overlay.open { display: block; }

/* === MODAL === */
.modal {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(5px);
}
.modal.open { display: flex; }

.modal-content {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 44px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.modal-close {
    position: absolute;
    top: 18px;
    right: 22px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-content h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 24px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.modal-content h3 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--black);
    margin-top: 16px;
    margin-bottom: 8px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.modal-content input,
.modal-content select,
.modal-content textarea {
    width: 100%;
    padding: 13px 16px;
    margin-bottom: 12px;
    background: var(--off-white);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 300;
    transition: border-color 0.3s;
}
.modal-content input:focus,
.modal-content select:focus,
.modal-content textarea:focus {
    border-color: var(--gold);
    outline: none;
    background: var(--white);
}

.payment-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 16px 0 24px;
}
.payment-options label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    cursor: pointer;
    font-weight: 400;
}

/* === CONTACT === */
.contact-methods {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}
.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 22px 34px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 400;
    font-size: 0.9rem;
}
.contact-card:hover {
    border-color: var(--gold);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}
.contact-icon { font-size: 1.4rem; }

/* === FOOTER === */
.footer {
    padding: 60px 0 30px;
    background: var(--black);
    color: rgba(255, 255, 255, 0.5);
}

.footer-content { text-align: center; }
.footer-logo { height: 28px; margin-bottom: 24px; opacity: 0.7; }

.disclaimer {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.35);
    max-width: 680px;
    margin: 0 auto 22px;
    line-height: 1.9;
    font-weight: 300;
}

.copyright {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.3);
}

/* === MOBILE === */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    }
    .nav-toggle { display: flex; }
    .product-grid { grid-template-columns: 1fr; }
    .hero { min-height: 75vh; }
    .hero-title { letter-spacing: 6px; }
    .section { padding: 70px 0; }
}