/* ==========================================================================
   ENGBUILD — VARIÁVEIS GLOBAIS
   ========================================================================== */

:root {
    /* Cores principais */
    --color-black: #050505;
    --color-gold: #C9A24D;
    --color-white: #FFFFFF;
    --color-light-gray: #F5F5F5;

    /* Tons derivados (úteis para hover, bordas, overlays) */
    --color-gold-light: #E0C787;
    --color-gold-dark: #A6813A;
    --color-gray-medium: #E0E0E0;
    --color-gray-text: #4A4A4A;

    /* Tipografia */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Espaçamentos padrão */
    --section-padding: 100px 0;
    --container-width: 1280px;

    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
}

/* ==========================================================================
   RESET BÁSICO
   ========================================================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-black);
    background-color: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-black);
}

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

ul {
    list-style: none;
}

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

button {
    font-family: var(--font-body);
    cursor: pointer;
    border: none;
    background: none;
}

/* ==========================================================================
   LAYOUT UTILITÁRIO
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: var(--section-padding);
}

.text-gold {
    color: var(--color-gold);
}

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

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



/* ==========================================================================
   BOTÕES
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    border-radius: 4px;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.btn--gold {
    background-color: var(--color-gold);
    color: var(--color-black);
}

.btn--gold:hover {
    background-color: var(--color-gold-dark);
    transform: translateY(-2px);
}

/* ==========================================================================
   UTILITÁRIOS DE SECÇÃO
   ========================================================================== */

.section-label {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    margin-bottom: 20px;
}

.section-text {
    font-size: 1rem;
    color: var(--color-gray-text);
    margin-bottom: 20px;
    max-width: 540px;
}

.text-white { color: var(--color-white); }
.text-white-70 { color: rgba(255, 255, 255, 0.7); }

.btn--outline {
    border: 1.5px solid rgba(255, 255, 255, 0.5);
    color: var(--color-white);
    background: transparent;
}

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

.btn--outline-light {
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    color: var(--color-white);
    gap: 10px;
}

.btn--outline-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.btn i { margin-left: 10px; font-size: 0.85rem; }

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}