/* Minimalist E-commerce Design System (Shopify Inspired) */
@import url('https://fonts.googleapis.com/css2?family=Roboto+Condensed:wght@300;400;700&family=Sarala:wght@400;700&display=swap');

:root {
    --font-heading: 'Roboto Condensed', sans-serif;
    --font-body: 'Sarala', sans-serif;
    --color-bg: #ffffff;
    --color-surface: #f9fafb;
    --color-border: #e5e7eb;
    --color-border-active: #111827;
    --color-primary: #111827; /* Preto comercial clássico */
    --color-accent: #25d366; /* WhatsApp oficial */
    --color-text: #1a1a1a;
    --color-text-muted: #6b7280;
    --radius-sm: 4px;
    --radius-md: 8px;
    --transition-fast: all 0.2s ease;
}

/* Base resets & Clean scrollbar */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scrollbar-width: thin;
    scrollbar-color: var(--color-text-muted) var(--color-surface);
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--color-surface);
}

::-webkit-scrollbar-thumb {
    background: var(--color-text-muted);
    border-radius: 3px;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Header styling */
.nav-link {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-text-muted);
}

/* Product gallery */
.product-image-container {
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

/* Clean Button styles */
.btn-primary {
    background: var(--color-primary);
    color: #ffffff;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-sm);
    padding: 1rem 1.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-primary:hover {
    background: #333333;
    border-color: #333333;
}

.btn-whatsapp {
    background: var(--color-accent);
    color: #ffffff;
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-sm);
    padding: 1rem 1.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.btn-whatsapp:hover {
    background: #20ba59;
    border-color: #20ba59;
}

/* Minimalist Form Inputs */
.form-input {
    width: 100%;
    background: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-fast);
}

.form-input:focus {
    border-color: var(--color-border-active);
    box-shadow: 0 0 0 1px var(--color-border-active);
}

/* FAQ Accordion (Clean & light style) */
.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-trigger {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
    background: none;
    border: none;
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: left;
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-trigger:hover {
    color: var(--color-text-muted);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease-out;
}

.faq-content p {
    padding-bottom: 1.25rem;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.faq-item.active .faq-content {
    max-height: 200px;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-icon {
    transition: transform 0.2s ease;
    color: var(--color-text-muted);
}

/* Bullet list specifications styling */
.spec-list-item {
    display: flex;
    border-bottom: 1px solid var(--color-border);
    padding: 0.75rem 0;
    font-size: 0.95rem;
}

.spec-list-label {
    width: 150px;
    font-weight: 700;
    color: var(--color-text);
}

.spec-list-value {
    color: var(--color-text-muted);
}