/* ============================================================
   estilos-cabecalho.css — EscribaDoc  v2.0
   Header fixo + Mobile Nav
   NÃO inclui rodapé (ver estilos-rodape.css)
   ============================================================ */

/* ============================================================
   HEADER
   ============================================================ */
header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
    padding: 22px 60px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Estado padrão: transparente — fundo cream da página aparece */
header:not(.scrolled) { background: transparent; }

/* Estado scrolled: cream fosco + blur + sombra suave */
header.scrolled {
    background: rgba(253, 248, 243, 0.92);
    backdrop-filter: blur(24px) saturate(1.2);
    -webkit-backdrop-filter: blur(24px) saturate(1.2);
    box-shadow: 0 1px 0 rgba(201, 165, 92, 0.12),
                0 4px 24px rgba(45, 52, 54, 0.07);
}

header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

/* ============================================================
   LOGO
   ============================================================ */
.logo {
    font-family: 'Fraunces', serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark, #2D3436);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: opacity 0.3s ease;
    flex-shrink: 0;
}

.logo:hover { opacity: 0.85; }

.logo-symbol {
    width: 44px;
    height: auto;
    flex-shrink: 0;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo:hover .logo-symbol { transform: rotate(-6deg) scale(1.05); }

.logo-text { font-size: 1.5rem; }

/* ============================================================
   NAV LINKS (desktop)
   ============================================================ */
.nav-links {
    display: flex;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-links a {
    text-decoration: none;
    color: var(--text-medium, #5A6366);
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.25s ease;
    position: relative;
    padding: 8px 14px;
    border-radius: 6px;
}

/* Underline animado — GOLD (hierarquia primária) */
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 14px;
    right: 14px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-gold, #c9a55c), var(--accent-gold-dark, #a8843c));
    border-radius: 1px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a:hover {
    color: var(--text-dark, #2D3436);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    transform: scaleX(1);
}

.nav-links a.active {
    color: var(--text-dark, #2D3436);
}

/* ============================================================
   NAV CTA — botão "Gerar Contrato" no header
   ============================================================ */
.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: linear-gradient(135deg, var(--accent-gold, #c9a55c), var(--accent-gold-dark, #a8843c));
    color: #fff;
    font-family: 'Outfit', sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-decoration: none;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(201, 165, 92, 0.35);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    text-shadow: 0 1px 2px rgba(0,0,0,0.12);
}

/* Shimmer no hover */
.nav-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.22) 50%, transparent 60%);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.nav-cta:hover::before  { transform: translateX(100%); }

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201, 165, 92, 0.50);
}

.nav-cta:active { transform: translateY(0); }

.nav-cta svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.nav-cta:hover svg { transform: translateX(3px); }

/* ============================================================
   HAMBÚRGUER (mobile)
   ============================================================ */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px; height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1100;
    -webkit-tap-highlight-color: transparent;
    border-radius: 8px;
    transition: background 0.2s ease;
}

.mobile-menu-btn:hover { background: rgba(201, 165, 92, 0.08); }

.mobile-menu-btn span {
    display: block;
    width: 22px; height: 2px;
    background: var(--text-dark, #2D3436);
    border-radius: 2px;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu-btn span:nth-child(1) { margin-bottom: 5px; }
.mobile-menu-btn span:nth-child(3) { margin-top: 5px; width: 14px; margin-left: auto; }

/* Animação X ao abrir */
.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); width: 22px; }


/* ============================================================
   MOBILE NAV — fullscreen drawer
   ============================================================ */
.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--bg-cream, #FDF8F3);
    z-index: 1050;
    flex-direction: column;
    overflow-y: auto;
    /* Entrada: slide da direita */
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.35s ease;
    opacity: 0;
}

/* Mostrado via JS com .active */
.mobile-nav.active {
    display: flex;
    transform: translateX(0);
    opacity: 1;
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--bg-warm, #F5EDE4);
}

.mobile-nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.mobile-nav-close {
    background: var(--bg-warm, #F5EDE4);
    border: none;
    cursor: pointer;
    padding: 8px;
    line-height: 0;
    border-radius: 50%;
    transition: background 0.2s ease, transform 0.3s ease;
    -webkit-tap-highlight-color: transparent;
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
}

.mobile-nav-close:hover {
    background: rgba(196, 144, 122, 0.15);
    transform: rotate(90deg);
}

.mobile-nav-items {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 16px;
    gap: 0;
}

.mobile-nav-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-dark, #2D3436);
    text-decoration: none;
    border-radius: 14px;
    margin-bottom: 6px;
    background: transparent;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    -webkit-tap-highlight-color: transparent;
    letter-spacing: 0.01em;
}

.mobile-nav-item svg {
    color: var(--text-light, #8A9296);
    transition: transform 0.25s ease, color 0.2s ease;
    flex-shrink: 0;
}

.mobile-nav-item:hover,
.mobile-nav-item:active {
    background: var(--bg-warm, #F5EDE4);
    color: var(--text-dark, #2D3436);
    transform: translateX(4px);
}

.mobile-nav-item:hover svg { transform: translateX(4px); color: var(--accent-gold, #c9a55c); }

.mobile-nav-item.active {
    background: rgba(201, 165, 92, 0.1);
    color: var(--accent-gold-dark, #a8843c);
}

.mobile-nav-item.active svg { color: var(--accent-gold, #c9a55c); }

/* CTA no mobile nav — destaque gold */
.mobile-nav-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 20px;
    background: linear-gradient(135deg, var(--accent-gold, #c9a55c), var(--accent-gold-dark, #a8843c));
    color: #fff;
    font-size: 1.05rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 14px;
    margin: 8px 0 4px;
    box-shadow: 0 4px 20px rgba(201, 165, 92, 0.35);
    letter-spacing: 0.02em;
    transition: all 0.3s ease;
    -webkit-tap-highlight-color: transparent;
}

.mobile-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(201, 165, 92, 0.45);
}

/* Divisor e rodapé do mobile nav */
.mobile-nav-divider {
    height: 1px;
    background: var(--bg-warm, #F5EDE4);
    margin: 8px 8px 14px;
}

.mobile-nav-footer {
    padding: 16px 24px 28px;
    text-align: center;
    font-size: 0.78rem;
    color: var(--text-light, #8A9296);
    letter-spacing: 0.02em;
}

/* Overlay escurecedor quando mobile nav está aberto */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(45, 52, 54, 0.4);
    backdrop-filter: blur(2px);
    z-index: 1049;
    transition: opacity 0.35s ease;
}

.mobile-nav-overlay.active { display: block; }


/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width: 1200px) {
    /* Esconde CTA do header antes de colapsar nav */
    .nav-cta { display: none; }
}

@media (max-width: 1024px) {
    header { padding: 17px 24px; }
    .mobile-menu-btn { display: flex; }
    .nav-links { display: none !important; }
    .logo-symbol { width: 36px !important; height: 36px !important; }
    .logo-text { font-size: 1.3rem !important; }
    .nav-cta { display: none; }
}

@media (max-width: 480px) {
    header { padding: 14px 16px; }
}