:root {
    --primary-color: #e91e63;
    --primary-dark: #c2185b;
    --primary-light: #fce4ec;
    --secondary-color: #009688; /* Teal / Green from ExclusivaNutri logo */
    --secondary-dark: #00796b;
    --accent-color: #d4af37; /* Rose gold / Gold */
    --bg-light: #f9f9f9;
    --text-dark: #2c2c2c;
    --text-light: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 1000;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.exclusiva { color: var(--text-dark); }
.nutri { color: var(--secondary-color); }

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 1.1rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

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

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-light);
    overflow: hidden;
}

.parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%; /* Extra height for parallax */
    background-size: cover;
    background-position: center;
    z-index: -1;
    will-change: transform;
}

.parallax-bg::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(233, 30, 99, 0.3) 100%);
}

.hero-content {
    z-index: 1;
    max-width: 900px;
    padding: 0 20px;
    animation: fadeInUp 1.5s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
    opacity: 0;
    transform: translateY(30px);
}

.starthair-logo {
    font-size: 6rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
    color: #fff;
    text-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.starthair-logo span {
    font-weight: 300;
    font-style: italic;
    text-transform: none;
    color: #ff80ab;
}

.hero h2 {
    font-size: 2.2rem;
    font-weight: 400;
    margin-bottom: 25px;
    text-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 45px;
    opacity: 0.95;
    line-height: 1.6;
    text-shadow: 0 2px 5px rgba(0,0,0,0.4);
}

.btn-primary {
    display: inline-block;
    padding: 18px 50px;
    background: linear-gradient(45deg, var(--primary-color), #ff4081);
    color: var(--text-light);
    text-decoration: none;
    font-weight: 700;
    border-radius: 50px;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    box-shadow: 0 15px 30px rgba(233, 30, 99, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(233, 30, 99, 0.6);
}

/* Info Sections */
.info-section {
    padding: 100px 50px;
}

.info-section.alternate-bg {
    background: #fff;
}

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

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.info-grid.reverse .info-text {
    order: 2;
}

.info-grid.reverse .info-image {
    order: 1;
}

.section-heading {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.2;
}

.section-heading span {
    font-weight: 300;
    font-style: italic;
    color: var(--primary-dark);
}

.info-text p {
    font-size: 1.15rem;
    line-height: 1.6;
    margin-bottom: 20px;
    color: #444;
}

.highlight-text {
    font-size: 1.3rem !important;
    font-weight: 600;
    color: var(--secondary-color) !important;
}

.bold-text {
    font-weight: 700;
    color: var(--primary-dark) !important;
}

.rounded-image {
    width: 100%;
    border-radius: 20px;
    object-fit: cover;
}

.shadow-lg {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.shadow-md {
    box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.15);
}

.double-images {
    display: flex;
    gap: 20px;
    width: 100%;
}

.double-images img {
    width: calc(50% - 10px);
    object-fit: cover;
    max-height: 500px;
}

.double-images .img-1 {
    transform: translateY(30px);
}

.sub-heading {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin: 30px 0 15px;
}

.benefits-list {
    list-style: none;
    margin-top: 15px;
}

.benefits-list li {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #333;
}

.check {
    color: var(--primary-color);
    font-weight: bold;
    margin-right: 10px;
}

.capsules-benefits {
    margin-left: 20px;
    margin-bottom: 25px;
}

.capsules-benefits li {
    font-size: 1.15rem;
    margin-bottom: 10px;
    color: #444;
}

.capsules-benefits strong {
    color: var(--primary-color);
}

.nutrition-box {
    background: var(--primary-light);
    padding: 30px;
    border-radius: 15px;
    margin-top: 30px;
    border-left: 5px solid var(--primary-color);
}

.nutrition-box h3 {
    color: var(--primary-dark);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.nutrition-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.nutri-item h4 {
    color: var(--secondary-color);
    margin-bottom: 8px;
}

.nutri-item p {
    font-size: 0.95rem;
    margin-bottom: 5px;
    color: #555;
}

.badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.badge {
    background: #fff;
    color: var(--primary-dark);
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

/* Products Section */
.products {
    padding: 120px 50px;
    position: relative;
    background: linear-gradient(180deg, #ffffff 0%, var(--bg-light) 100%);
}

.products::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg opacity="0.02" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="%23e91e63"/></svg>') repeat;
    pointer-events: none;
}

.section-title {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    z-index: 2;
}

.section-title h2 {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.section-title p {
    font-size: 1.3rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 50px;
    max-width: 1300px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* 3D Glassmorphism Cards */
.product-card {
    background: rgba(255, 255, 255, 0.6);
    border-radius: 24px;
    padding: 40px 30px;
    text-align: center;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 20px 50px rgba(0,0,0,0.05);
    transform-style: preserve-3d;
    display: flex;
    flex-direction: column;
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 100%);
    pointer-events: none;
}

.card-img-wrapper {
    width: 100%;
    height: 280px;
    margin-bottom: 30px;
    transform: translateZ(60px); /* 3D pop effect for image */
    display: flex;
    justify-content: center;
    align-items: center;
}

.card-img-wrapper img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 20px 20px rgba(0,0,0,0.15));
    transition: transform 0.3s ease;
}

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

.product-card h3 {
    font-size: 1.6rem;
    color: var(--primary-dark);
    margin-bottom: 5px;
    transform: translateZ(40px);
    line-height: 1.2;
}

.product-features {
    font-size: 0.85rem !important;
    color: var(--secondary-color) !important;
    font-weight: 600;
    margin-bottom: 15px !important;
    transform: translateZ(35px);
}

.product-card p {
    font-size: 1rem;
    color: #555;
    margin-bottom: 25px;
    flex-grow: 1;
    transform: translateZ(30px);
    line-height: 1.5;
}

.price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 25px;
    transform: translateZ(40px);
}

.btn-buy {
    display: block;
    width: 100%;
    padding: 16px;
    background-color: var(--secondary-color);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s ease;
    transform: translateZ(50px);
    font-size: 1.1rem;
    box-shadow: 0 10px 20px rgba(0, 150, 136, 0.2);
}

.btn-buy:hover {
    background-color: var(--secondary-dark);
    box-shadow: 0 15px 25px rgba(0, 150, 136, 0.4);
    transform: translateZ(60px) translateY(-3px);
}

/* Special styling for kits */
.bundle-card {
    border: 2px solid var(--primary-light);
    background: rgba(255, 240, 245, 0.4);
}

.btn-bundle {
    background: linear-gradient(45deg, var(--primary-color), #ff4081);
    box-shadow: 0 10px 20px rgba(233, 30, 99, 0.2);
}

.btn-bundle:hover {
    background: linear-gradient(45deg, var(--primary-dark), var(--primary-color));
    box-shadow: 0 15px 25px rgba(233, 30, 99, 0.4);
}

/* Footer */
footer {
    background: linear-gradient(to right, #1a1a1a, #2c2c2c);
    color: #fff;
    text-align: center;
    padding: 80px 20px 40px;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    width: 200%;
    height: 100px;
    background: var(--bg-light);
    border-radius: 50%;
}

.footer-content {
    position: relative;
    z-index: 1;
}

.footer-content h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: none;
}

.footer-content p {
    font-size: 1.2rem;
    color: #ccc;
    margin-bottom: 40px;
}

.socials {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.socials a {
    color: #fff;
    text-decoration: none;
    padding: 12px 30px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 50px;
    transition: all 0.3s ease;
    font-weight: 600;
}

.socials a:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(233, 30, 99, 0.3);
}

/* Animations */
@keyframes fadeInUp {
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 900px) {
    .info-grid {
        grid-template-columns: 1fr;
    }
    .info-grid.reverse .info-text {
        order: 1;
    }
    .info-grid.reverse .info-image {
        order: 2;
    }
    .double-images {
        flex-direction: column;
    }
    .double-images .img-1 {
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .starthair-logo { font-size: 4rem; }
    .hero h2 { font-size: 1.8rem; }
    .navbar { padding: 15px 20px; }
    .nav-links { display: none; }
    .products, .info-section { padding: 80px 20px; }
    .section-title h2, .section-heading { font-size: 2.5rem; }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    .whatsapp-float svg {
        width: 30px;
        height: 30px;
    }
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.2);
    z-index: 9999;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float svg {
    width: 35px;
    height: 35px;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0px 6px 20px rgba(37, 211, 102, 0.4);
    background-color: #1ebe57;
}