/* ======= CSS Variables & Theme ======= */
:root {
    /* Colors */
    --color-bg: #FFFFFF;
    --color-bg-light: #F8F9FA;
    --color-black: #111111;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #EAEAEA;
    --color-whatsapp: #25D366;
    --color-whatsapp-hover: #1EBE5A;
    --color-transparent-glass: rgba(255, 255, 255, 0.7);
    --color-shadow: rgba(0, 0, 0, 0.05);

    /* Typography */
    --font-main: 'Inter', sans-serif;

    /* Layout */
    --container-width: 1200px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 5%;
}

.bg-light {
    background-color: var(--color-bg-light);
}

.center {
    text-align: center;
}

/* ======= Typography ======= */
h1,
h2,
h3,
h4 {
    color: var(--color-black);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--color-text-light);
}

.highlight {
    color: var(--color-text-light);
    font-weight: 300;
}

/* ======= Buttons ======= */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: var(--color-black);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
    border: 2px solid var(--color-black);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-black);
    transform: translateY(-2px);
}

.btn-primary i,
.btn-primary svg {
    font-size: 1.25rem;
}

.btn-outline-small {
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

.btn-outline-small:hover {
    border-color: var(--color-black);
    color: var(--color-black);
}

.full-width {
    width: 100%;
}

/* ======= Top Bar ======= */
.top-bar {
    background-color: var(--color-black);
    color: white;
    text-align: center;
    padding: 0.5rem;
    font-size: 0.8rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

/* ======= Header ======= */
.header {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-black);
}

.nav {
    display: none;
    /* Mobile first */
    gap: 2rem;
}

.nav a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: var(--transition);
}

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

/* ======= Hero Section ======= */
.hero {
    padding: 4rem 0 2rem;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--color-bg-light);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
    border: 1px solid var(--color-border);
}

.hero-text p {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    max-width: 90%;
}

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

.hero-price .price-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-black);
}

.hero-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.hero-image {
    width: 100%;
    transform: scale(1.05);
    /* slightly zoom to simulate studio space */
}

.glass-card {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    background: var(--color-transparent-glass);
    backdrop-filter: blur(12px);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    font-weight: 500;
    color: var(--color-black);
    animation: floating 3s ease-in-out infinite alternate;
}

.glass-card i {
    font-size: 1.5rem;
}

@keyframes floating {
    0% {
        transform: translateY(0px);
    }

    100% {
        transform: translateY(-10px);
    }
}


/* ======= Product Section ======= */
.product-section {
    padding: 6rem 0;
}

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

.section-header p {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.main-image {
    border-radius: 16px;
    overflow: hidden;
    background-color: var(--color-bg-light);
    aspect-ratio: 1/1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-image img {
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.thumbnail-list {
    display: flex;
    gap: 1rem;
}

.thumb {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    background-color: var(--color-bg-light);
    object-fit: cover;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.thumb:hover,
.thumb.active {
    border-color: var(--color-black);
}

.product-info {
    display: flex;
    flex-direction: column;
}

.product-title-area {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.price-tag {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-black);
}

.product-desc {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.benefits-list {
    list-style: none;
    margin-bottom: 2.5rem;
}

.benefits-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.benefits-list i {
    font-size: 1.5rem;
    color: var(--color-black);
    background-color: var(--color-bg-light);
    padding: 0.75rem;
    border-radius: 50%;
}

.benefits-list strong {
    display: block;
    color: var(--color-black);
    margin-bottom: 0.25rem;
}

.benefits-list span {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.shipping-info {
    background-color: var(--color-bg-light);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    border: 1px solid var(--color-border);
}

.shipping-info strong {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-black);
}

.shipping-info p {
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.shipping-info p:last-child {
    margin-bottom: 0;
}


/* ======= How It Works ======= */
.how-it-works {
    padding: 6rem 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.step-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px var(--color-shadow);
    transition: var(--transition);
}

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

.step-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-black);
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
}


/* ======= Footer ======= */
.footer {
    background-color: #FAFAFA;
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--color-text-light);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-black);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    font-size: 0.8rem;
    color: #999;
}


/* ======= Floating WhatsApp Button ======= */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: var(--color-whatsapp);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.floating-whatsapp:hover {
    background-color: var(--color-whatsapp-hover);
    transform: scale(1.1);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}


/* ======= Promotion Tags ======= */
.price-tags {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.promo-tag {
    background-color: #FFF0F0;
    color: #E53935;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
    border: 1px solid #FFCDD2;
}

/* ======= Order Form ======= */
.order-form-container {
    background-color: var(--color-bg-light);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
    border: 1px solid var(--color-border);
}

.order-form-container h4 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.order-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

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

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-black);
}

.form-group input,
.form-group select {
    padding: 0.8rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-black);
}

/* ======= Testimonials ======= */
.testimonials-section {
    padding: 6rem 0;
    background-color: var(--color-bg);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--color-bg-light);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--color-border);
}

.testimonial-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1.5rem;
    border: 3px solid white;
    box-shadow: 0 4px 15px var(--color-shadow);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.testimonial-author {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-black);
}


/* ======= Responsive Design ======= */
@media (min-width: 768px) {
    .header-content .nav {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr 1fr;
    }

    .product-grid {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .steps-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}