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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-neutral);
    padding-top: calc(var(--promo-height) + var(--header-height));
    transition: padding-top var(--transition-base);
}

body.no-promo {
    padding-top: var(--header-height);
}

body.no-promo .promo-banner {
    display: none;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: var(--font-black);
    line-height: 1.1;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

p {
    margin-bottom: var(--space-4);
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container--narrow {
    max-width: var(--container-narrow);
}

/* Seções */
.section {
    padding: var(--space-20) 0;
}

.section--gray {
    background-color: var(--color-gray);
}

.section--primary {
    background-color: var(--color-primary);
    color: var(--color-neutral);
}

.section--primary h2,
.section--primary h3 {
    color: var(--color-neutral);
}

.section__header {
    max-width: 768px;
    margin-bottom: var(--space-12);
}

.section__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: var(--space-4);
}

.section__title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.section__subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-light);
    line-height: 1.7;
}

.section--primary .section__subtitle {
    color: rgba(255, 255, 255, 0.85);
}

/* Ícones */
.icon {
    width: 1em;
    height: 1em;
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

/* Utilitários */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-white  { color: var(--color-neutral); }
.text-accent { color: var(--color-accent); }

.mt-0  { margin-top: 0; }
.mb-0  { margin-bottom: 0; }
.mb-4  { margin-bottom: var(--space-4); }
.mb-8  { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }